Grades 3-5
Videos
Chemical vs. Physical Changes
www.generationgenius.com/?share=3F662
Quiz
Variation of Traits
www.generationgenius.com/?share=8E14B
Quiz
Balanced & Unbalanced Forces
www.generationgenius.com/?share=25647
Weathering & Erosion
www.generationgenius.com/?share=83D8A
Structure of Living Things
www.generationgenius.com/?share=793CC
Water Cycle
www.generationgenius.com/?share=A4B89
Properties of Matter
www.generationgenius.com/?share=D146F
Earth's Orbit & Rotation
www.generationgenius.com/?share=B1EF2
Fossils & Extinction
www.generationgenius.com/?share=7DDC7
Energy Transfer
www.generationgenius.com/?share=B124B
Sun and Other Stars
www.generationgenius.com/?share=2D6C1
Brain Processing of Senses
www.generationgenius.com/?share=7EFC9
Adaptations and the Environment
www.generationgenius.com/?share=9596D
Collisions
www.generationgenius.com/?share=E2751
Magnets & Static Electricity
www.generationgenius.com/?share=8DEF6
Food Webs
www.generationgenius.com/?share=DC0D1
Conservation of Matter
www.generationgenius.com/?share=15D32
Ecosystems
www.generationgenius.com/?share=47DC7
Patterns of Motion & Friction
www.generationgenius.com/?share=242C1
Renewable vs. Nonrenewable Resources
www.generationgenius.com/?share=63F87
Human Body Systems
www.generationgenius.com/?share=027D5
Animal & Plant Life Cycles
www.generationgenius.com/?share=B1368
Natural Disasters
www.generationgenius.com/?share=7F994
Extreme Weather Solutions
www.generationgenius.com/?share=AA3CB
How Do We Use Food?
www.generationgenius.com/?share=E6E96
Wave Properties
www.generationgenius.com/?share=93E53
Moon & Its Phases
www.generationgenius.com/?share=10FA8
Interactions of Earth's Spheres
www.generationgenius.com/?share=EDFAA
What is Science?
www.generationgenius.com/?share=843A7
Light Reflection & Vision
www.generationgenius.com/?share=3646C
Particle Nature of Matter
www.generationgenius.com/?share=1F0D7
Weather vs. Climate
www.generationgenius.com/?share=BEE69
Animal Group Behavior
www.generationgenius.com/?share=7D58A
Information Transfer
www.generationgenius.com/?share=3684B
Earth's Landscapes
www.generationgenius.com/?share=52337
Water Quality & Distribution
www.generationgenius.com/?share=26C13
Videos
3rd Grade
Habitats, Fossils, & Environments Over Time
Fossil Evidence & Classification
Fossil Evidence, Trace Fossils, & Animal Behavior
Trait Variation, Inheritance, & Artifical Selection
Trait Variation, Natural Selection, & Survival
Animal Groups & Survival
https://mysteryscience.com/animals/mystery-6/animal-groups-survival/265?code=NjI0NjIy&t=student
Environmental Change & Engineering
Traits & Environmental Variation
Pollination & Plant Reproduction
Seed Dispersal & Plant Life Cycle
Trait Variation, Inheritance, & Artificial Selection (apples)
Trait Variation, Inheritance, & Artificial Selection (fruit)
Water Cycle & Phases of Matter
https://mysteryscience.com/weather/mystery-1/water-cycle-phases-of-matter/46?code=NjI0NjIy&t=student
Local Weather Patterns & Weather Prediction
Climate, Geography, & Global Weather Patterns
Natural Hazards & Engineering
https://mysteryscience.com/weather/mystery-4/natural-hazards-engineering/153?code=NjI0NjIy&t=student
Balanced & Unbalanced Forces
https://mysteryscience.com/forces/mystery-1/balanced-unbalanced-forces/111?code=NjI0NjIy&t=student
Balanced Forces & Engineering
https://mysteryscience.com/forces/mystery-2/balanced-forces-engineering/43?code=NjI0NjIy&t=student
Friction & Pattern of Motion
https://mysteryscience.com/forces/mystery-3/friction-pattern-of-motion/44?code=NjI0NjIy&t=student
Magnets & Forces
https://mysteryscience.com/forces/mystery-4/magnets-forces/45?code=NjI0NjIy&t=student
Magnets & Engineering
https://mysteryscience.com/forces/mystery-5/magnets-engineering/151?code=NjI0NjIy&t=student
4th Grade
Muscles & Skeleton
https://mysteryscience.com/body/mystery-1/muscles-skeleton/59?code=NjI0NjIy&t=student
Light, Eyes, & Vision
https://mysteryscience.com/body/mystery-2/light-eyes-vision/60?code=NjI0NjIy&t=student
Structure & Function of Eyes
https://mysteryscience.com/body/mystery-3/structure-function-of-eyes/61?code=NjI0NjIy&t=student
Brain, Nerves, & Information Processing
Volcanoes & Patterns of Earth's Features
Volcanoes & Rock Cycle
https://mysteryscience.com/rocks/mystery-2/volcanoes-rock-cycle/55?code=NjI0NjIy&t=student
Weathering & Erosion
https://mysteryscience.com/rocks/mystery-3/weathering-erosion/57?code=NjI0NjIy&t=student
Erosion, Natural Hazards. & Engineering
Sound, Vibration, & Engineering
https://mysteryscience.com/waves/mystery-1/sound-vibration-engineering/50?code=NjI0NjIy&t=student
Sound & Vibrations
https://mysteryscience.com/waves/mystery-2/sound-vibrations/51?code=NjI0NjIy&t=student
Sound Waves & Wavelength
https://mysteryscience.com/waves/mystery-3/sound-waves-wavelength/52?code=NjI0NjIy&t=student
Speed & Energy
https://mysteryscience.com/energy/mystery-1/speed-energy/304?code=NjI0NjIy&t=student
Collisions & Energy Transfer
https://mysteryscience.com/energy/mystery-2/collisions-energy-transfer/380?code=NjI0NjIy&t=student
Energy Transfer & Engineering (Roller Coaster)
https://mysteryscience.com/energy/mystery-3/energy-transfer-engineering/381?code=NjI0NjIy&t=student
Energy Transfer & Engineering (Dominoes)
https://mysteryscience.com/energy/mystery-4/energy-transfer-engineering/35?code=NjI0NjIy&t=student
Energy Transfer & Engineering (Chain Reaction)
https://mysteryscience.com/energy/mystery-5/energy-transfer-engineering/36?code=NjI0NjIy&t=student
Electrical Energy
https://mysteryscience.com/energy/mystery-6/electrical-energy/37?code=NjI0NjIy&t=student
Heat Energy & Energy Transfer
https://mysteryscience.com/energy/mystery-7/heat-energy-energy-transfer/268?code=NjI0NjIy&t=student
Renewable Energy & Natural Resources
5th Grade
Food Chains, Predators, Herbivores & Carnivores
Plant Needs: Air & Water
https://mysteryscience.com/ecosystems/mystery-2/plant-needs-air-water/94?code=NjI0NjIy&t=student
Decomposers & Matter Cycle
https://mysteryscience.com/ecosystems/mystery-3/decomposers-matter-cycle/95?code=NjI0NjIy&t=student
Decomposers, Nutrients, & Matter Cycle
Ecosystems & Matter Cycle
https://mysteryscience.com/ecosystems/mystery-5/ecosystems-matter-cycle/216?code=NjI0NjIy&t=student
Food Webs & Flow of Energy
https://mysteryscience.com/ecosystems/mystery-6/food-webs-flow-of-energy/212?code=NjI0NjIy&t=student
Hydrosphere & The Roles of Water
Groundwater as a Natural Resource
Water Cycle
https://mysteryscience.com/earth/mystery-3/water-cycle/124?code=NjI0NjIy&t=student
Natural Disasters & Engineering
https://mysteryscience.com/earth/mystery-4/natural-disasters-engineering/154?code=NjI0NjIy&t=student
Day, Night, & Earth's Rotation
Earth's Rotation & Daily Shadow Patterns
Seasonal Changes & Shadow Length
Seasonal Patterns & Earth's Orbit
Moon Phases, Lunar Cycle
https://mysteryscience.com/astronomy/mystery-5/moon-phases-lunar-cycle/77?code=NjI0NjIy&t=student
Planets & Solar System
https://mysteryscience.com/astronomy/mystery-6/planets-solar-system/78?code=NjI0NjIy&t=student
Gravity
https://mysteryscience.com/astronomy/mystery-7/gravity/290?code=NjI0NjIy&t=student
Star Brightness & Habitable Planets
Chemisty & Conservation of Matter
Dissolving & Particulate Nature of Matter
Acids, Reaction, & Properties of Matter
Chemical Reactions
https://mysteryscience.com/chemistry/mystery-4/chemical-reactions/110?code=NjI0NjIy&t=student
Gases & Particle Models
https://mysteryscience.com/chemistry/mystery-5/gases-particle-models/169?code=NjI0NjIy&t=student
Videos
How is a rainbow made?
https://mysterydoug.com/mysteries/rainbows?code=860aaad5b8969b2e01a055b91b4dfa59
How do germs get inside your body?
https://mysterydoug.com/mysteries/germs?code=a70f9a76bc32cdac1324d062cb678bc6
Why do we have tears?
https://mysterydoug.com/mysteries/tears?code=9113e8e804926a18c323a66d4ed14023
Why so we have leap years?
https://mysterydoug.com/mysteries/leap-year?code=fc6aea40e03d92a3437981a4c4703e96
Why do snakes shed their skin?
https://mysterydoug.com/mysteries/snake-skin?code=fced6f2900c621f3a85d41122b3f319d
How does your heart pump blood?
https://mysterydoug.com/mysteries/heart-blood?code=5843ab28c2bb715f04fb8ba8e1cb721f
How are toys invented?
https://mysterydoug.com/mysteries/toys?code=20ed2536314f2630ce3a9cde0fd2da6e
What's it like to be a twin?
https://mysterydoug.com/mysteries/twins?code=96aebd26630f05deae8b84290377d676
What's the biggest number?
https://mysterydoug.com/mysteries/biggest-number?code=b8130bf1aa7d0f84fb2063ae71db6f98
Can animals laugh?
https://mysterydoug.com/mysteries/animals-laugh?code=4bd67e18beedba1ab7b7d83a95dd0545
What's the biggest tree in the world?
https://mysterydoug.com/mysteries/biggest-tree?code=d3a3474c073a1cc825cee381beee5cb5
Why is January the first month of the New Year?
https://mysterydoug.com/mysteries/new-year?code=3a9ec01336d3bbdf0cbc1461a18629da
Why do bears hibernate?
https://mysterydoug.com/mysteries/bears?code=92ca1405b6c4da42a8c22a439d64152b
Why do we need blood?
https://mysterydoug.com/mysteries/blood?code=9aad9f60291c3f1cf065978059d315fe
What is the coldest place on Earth?
https://mysterydoug.com/mysteries/coldest-place?code=b20cbbce48159c4aff2d8e43a7d837b1
Why do people eat turkey on Thanksgiving?
https://mysterydoug.com/mysteries/thanksgiving-turkey?code=c50b8114930bbae47298f61b6e2ddb96
What's that red thing on a turkey?
https://mysterydoug.com/mysteries/red-turkey?code=61e7196ab461b12b600d0d371f1b07f6
Why don't peopel eat ostrich eggs?
https://mysterydoug.com/mysteries/ostrich-eggs?code=649351bd60557384c7405daded5c4992
Who created the constellations?
https://mysterydoug.com/mysteries/constellations?code=bb051e4c60dde4b1c19065dfcab24360
Could a mountain turn into a volvano?
https://mysterydoug.com/mysteries/mountain-volcano?code=0bfbef367ef84d04f4aa62c631cc144d
What would happen if you didn't have a skull?
https://mysterydoug.com/mysteries/skulls?code=aa65d3320c19a7e15b8dc10b6520258f
How is syrup made?
https://mysterydoug.com/mysteries/syrup?code=16f7b6090def61705846aa98e10332ec
Who invented the alphabet?
https://mysterydoug.com/mysteries/alphabet?code=acf8bc094557321ec569da48bc57887e
Has a shooting star ever landed on someone?
https://mysterydoug.com/mysteries/alphabet?code=acf8bc094557321ec569da48bc57887e
Can a shark and dolphin have babies?
https://mysterydoug.com/mysteries/dolphin-shark?code=39ec0f39230cd7edcfc19dd7c2671052
What's the biggest apple in the world?
https://mysterydoug.com/mysteries/biggest-apple?code=e76a79f3693815c691e38698e6ccce7d
What causes the Northern Lights?
https://mysterydoug.com/mysteries/northern-lights?code=b7e28b80c9ccab4aacbc82f14f00b434
Why isn't Pluto a planet anymore?
https://mysterydoug.com/mysteries/pluto-minor-planet?code=b8d76977e09488a3efed8a4ac1e02ade
How can you tell if a mushroom is poisonous?
https://mysterydoug.com/mysteries/poisonous-mushrooms?code=7fcff22e23be15fe9238b9bbba6d676e
How do bees make honey?
https://mysterydoug.com/mysteries/honey-bees?code=4b9bf270f047c7433536721efa6c8799
Why is it so hard to make new inventions?
https://mysterydoug.com/mysteries/inventions?code=7351170a896591979356c344f9d72a89
How so scientists know so much?
https://mysterydoug.com/mysteries/observe-and-question?code=09ed1f7dfd5aed0bb202e6033f278d8d
Can you make lava?
https://mysterydoug.com/mysteries/lava?code=8dfcb1e6f5097a0cad51eff3349f8cb8
How were emojis created?
https://mysterydoug.com/mysteries/emojis-creation?code=f528971a27a27de619f02ca68bb3332b
Why is the sky blue?
https://mysterydoug.com/mysteries/sky-blue?code=a613ea8fdb3001ab3c43824e7ec1d30e
Can animals get a sunburn?
https://mysterydoug.com/mysteries/animal-sunburn?code=c185f9188590a40f9e8c569463ecb239
Why are tornadoes hard to predict?
https://mysterydoug.com/mysteries/predict-tornadoes?code=9e71a916f885f0c3fc34b2a5eec1a6f6
Are aliens real?
https://mysterydoug.com/mysteries/aliens?code=7fa141a50d0cfc53217defd1c032273f
How are diamonds made?
https://mysterydoug.com/mysteries/diamonds?code=f67b9f2f36aa6035ee2201c919ed9313
Why do we have eyebrows?
https://mysterydoug.com/mysteries/eyebrows?code=967443aed5188171fce93fbe1573b189
How do flowers bloom in the spring?
https://mysterydoug.com/mysteries/spring-flowers?code=85cd372295de370bf72906f7ac878e4d
What is a black hole?
https://mysterydoug.com/mysteries/black-hole?code=2f00b52ac46c7df7d7d3d711c162b38f
How old is the Earth?
https://mysterydoug.com/mysteries/old-earth?code=bcf024351f7e32608a488851906a7869
Why do we yawn?
https://mysterydoug.com/mysteries/yawn?code=f95e39e510f5f0a10fd48b0696f4808b
Who invented pizza?
https://mysterydoug.com/mysteries/pizza?code=7d8fc6fc9e65bab9ce4a6aceffe0313c
Do fish sleep?
https://mysterydoug.com/mysteries/fish-sleep?code=ed89bac350612c85169bc9f37f68440c
How do batteries work?
https://mysterydoug.com/mysteries/batteries?code=cbdaf3a5712e0ef6fe67c24afbb1575b
How do Earthquakes happen?
https://mysterydoug.com/mysteries/earthquakes?code=4b244c0fd0da6883141fd60e43964ce1
How do magicians trick people?
https://mysterydoug.com/mysteries/magic?code=26c5eac4ab0e9bd8dbf1c0b5da22f218
How is plastic made?
https://mysterydoug.com/mysteries/plastic?code=9f85760b1c8812f40d3c79d1896a0890
Is Pluto a planet?
https://mysterydoug.com/mysteries/pluto?code=47453d7e30249cadf41a780afe550817
Why do cats purr?
https://mysterydoug.com/mysteries/cats-purr?code=c9e4ddfafe71211c2445d01d22efc08a
Why can't airplanes fly to space?
https://mysterydoug.com/mysteries/airplanes?code=e040a5e6f65d4d5ef3389a5bf166b3a9
Why is the ocean salty?
https://mysterydoug.com/mysteries/ocean-salt?code=10d0a1ba6b0e2eb5fe2ac502acb7b7df
Who invented football?
https://mysterydoug.com/mysteries/football-history?code=d2132dab08227594b33d191a16379321
Why do we get hiccups?
https://mysterydoug.com/mysteries/hiccups?code=4c38a3d22e1b27eb86badf14dcb02e6e
Why does the Moon turn blood red durning a lunar eclipse?
https://mysterydoug.com/mysteries/lunar-eclipse?code=d6160ddcd90dd07203db1bee6f8de820
How is glass made?
https://mysterydoug.com/mysteries/glass?code=17a671277d74c268dbd2694997ff2d2b
Where do bugs go in winter?
https://mysterydoug.com/mysteries/winter-bugs?code=571c6ebdcc303316bbd498c0dee86e41
How is money made?
https://mysterydoug.com/mysteries/money?code=548594304ae75da24754cebfb10b9945
Why is Mars red?
https://mysterydoug.com/mysteries/red-mars?code=3bc5850cc6b223d1ab71a53ddef507e3
Were dragons ever real?
https://mysterydoug.com/mysteries/dragons?code=b69ca5bdf279124f37e0f76ee6379f31
Why so leaves change color in the fall?
https://mysterydoug.com/mysteries/fall-leaves?code=71178918def96521941e9ae620df83c0
How many people are in the world?
https://mysterydoug.com/mysteries/world-population?code=e2d88c8f3b9726977cc2a6f65b90b4fb
Why are pumpkins oranges?
https://mysterydoug.com/mysteries/orange-pumpkins?code=9d546b6b46662b87e015586e4dee5654
What is the biggest sprider in the world?
https://mysterydoug.com/mysteries/biggest-spider?code=b0db25678943784ac949eaa1c6c43cca
Why can't fish breathe on land?
https://mysterydoug.com/mysteries/fish-breathing?code=dae951c39eaf5c2918b0a728d7409715
How so things glow in the dark?
https://mysterydoug.com/mysteries/glow-in-the-dark?code=a783649de5bf2d69caebece6c756ba58
Why do people from England sound different than people from America?
https://mysterydoug.com/mysteries/accents?code=d9166a02d3411a3b1b96d739ec50b15d
What would it be like to live on the Moon?
https://mysterydoug.com/mysteries/accents?code=d9166a02d3411a3b1b96d739ec50b15d
How is gold made?
https://mysterydoug.com/mysteries/gold?code=d97632c8a3b2e6ff631a4ee40808e6ec
What's worse; a hurricane or a tornado?
https://mysterydoug.com/mysteries/hurricane-or-tornado?code=bfd2018149c4eda0d1472ef5c8d45ac9
Why is it so hard for fire fighters to put out wildfires?
https://mysterydoug.com/mysteries/wildfires?code=db3ec9ef3ea941a95df3af2c6302f4ec
How close could an astronaut get to the Sun?
https://mysterydoug.com/mysteries/astronaut-and-sun?code=128028e291c52f87bb2c22cdcdbc3d4c
Why do we sweat when we play sports?
https://mysterydoug.com/mysteries/why-we-sweat?code=78d85a7554e3cf8930e45f7a16c51f81
What is the most dangerous animal in the world?
https://mysterydoug.com/mysteries/dangerous-animal?code=b19a296f1d82ef0ff171a04b4b60faed
Why do you get goosebumps when you're cold?
https://mysterydoug.com/mysteries/goosebumps?code=c6c3e49d1152ffa4cf9533fdebbda1bd
How did cotton candy get its name?
https://mysterydoug.com/mysteries/cotton-candy?code=6edce981b466091499e6a25fb8f57032
Are unicorns real?
https://mysterydoug.com/mysteries/unicorns?code=197cc3822e799ec811f4528d7e5d8ce2
How do you make Mystery Doug videos?
https://mysterydoug.com/mysteries/2018-special?code=fcfb30a60e921c1e09016bd60a9dc9d3
Why are butterflies so colorful?
https://mysterydoug.com/mysteries/butterflies?code=f7b925911f15fba3e625d076d8d49658
How are pencils made?
https://mysterydoug.com/mysteries/pencils?code=7b37ae5b71f37acd6b546af3490b3a72
Is Earth the only planet with life?
https://mysterydoug.com/mysteries/planet-earth?code=b022a0b49c4b849b7a5e208dae1e801c
Why do animals come back after going to warmer places in winter?
https://mysterydoug.com/mysteries/animal-migration?code=36aa250dd2093a87ca018151b028ce44
Why do we have allergies?
https://mysterydoug.com/mysteries/allergies?code=534714c15bdf1f23a3963d7bfb06cd58
Why do we celebrate April Fools' Day?
https://mysterydoug.com/mysteries/april-fools?code=867a11670827758d85779bfab31d0370
Why do birds lay eggs in the spring?
https://mysterydoug.com/mysteries/birds-spring?code=a818089760c52fcac1de22f3e39d2afc
How deep does the ocean go?
https://mysterydoug.com/mysteries/deep-ocean?code=ab15694cbf71172b29a69cddfa86902e
How does hand sanitizer kill germs?
https://mysterydoug.com/mysteries/germs-sanitizer?code=46cb082d58081238d126ea4455af2a96
How do broken bones heal?
https://mysterydoug.com/mysteries/broken-bones?code=1646cbf97f4d5a878030db919d6cf0ec
What are some of the weirdest sports in the Olympics?
https://mysterydoug.com/mysteries/olympic-sports?code=d69e9bfb6f34fb7cbc814dc527a45512
Why did Elon Musk send his car into space?
https://mysterydoug.com/mysteries/spacex-launch?code=fb09a2b277dbb27506f93d086be7ddff
What would happen if football players didn't wear helments?
https://mysterydoug.com/mysteries/football-helmets?code=d9065c0bf2fbaa40f28a414952d06c44
How often do eclipse happen?
https://mysterydoug.com/mysteries/blood-moon?code=269f3ff7a8365899ba0bd30c42b7d357
Why do penguins have wings if they can't fly?
https://mysterydoug.com/mysteries/penguin-wings?code=6ac0ad42b0c0624ba8a73cb84c5259fc
Why do baby animals look so cute?
https://mysterydoug.com/mysteries/cute-animals?code=5dcb1a8eae6526a7f12e9f70da4ef425
Why does it cold in winter?
https://mysterydoug.com/mysteries/winter-cold?code=94a8dcd538be0286f239e01dc13e253f
Why is snow white?
https://mysterydoug.com/mysteries/snow-white?code=e4ba64201f59625ec926094f26794c27
Where does chocolate come from?
https://mysterydoug.com/mysteries/chocolate?code=c760323f8a14afcd00e2fdf8f3063eb0
What is the Moon made of?
https://mysterydoug.com/mysteries/moon?code=892f99518f2e5d82427ffed581d1c6ec
Why are pumpkins so popular every fall?
https://mysterydoug.com/mysteries/popular-pumpkins?code=b30443da885fe400348e2a977c830250
Why do owls say "hoo"?
https://mysterydoug.com/mysteries/owls-hoo?code=287a444344bb50e322f5d3a42129ae60
Do bats really drink blood?
https://mysterydoug.com/mysteries/bats-blood?code=65dea2adbea1db5c75c4e7c020621157
Why do out skeletons have so many bones?
https://mysterydoug.com/mysteries/skeleton-bones?code=a35337bc75d9cd96fcb82fdfd641916f
Why do places have different times?
https://mysterydoug.com/mysteries/places-times?code=20ba6e34687602882d14f2b0b548b3d6
What make hurricanes so dangerous?
https://mysterydoug.com/mysteries/dangerous-hurricanes?code=2ad338af1f613c593dbebeb467a603e9
How do they turn wood into paper?
https://mysterydoug.com/mysteries/wood-paper?code=c7ad85258740c010b45d5016bfee8ef3
Why do Zebras have stripes?
https://mysterydoug.com/mysteries/striped-zebras?code=5df884585e5bc72aa2b5ec59f73b18e7
Is ther a pole at the North Pole?
https://mysterydoug.com/mysteries/north-pole?code=9e7bbf2ebfe9a6187a47874cd6c7bb67
Where does metal come from?
https://mysterydoug.com/mysteries/metal-origin?code=2169b7954d84dcd04f4be36eae6d5bed
Why do we call them doughnuts?
https://mysterydoug.com/mysteries/dough-nuts?code=00baa4e3287dec0438e420f4e5269c9f
How dangerous is it to look at the sun?
https://mysterydoug.com/mysteries/dangerous-sun?code=6618b0ca88368ac6fcd7767055c66794
Could a turtle live outside its shell?
https://mysterydoug.com/mysteries/turtles-outside-shell?code=7be9f79e004cce36ec62cdda8f070a63
Why does this rock look like a sponge?
https://mysterydoug.com/mysteries/rock-sponge?code=1a7e129d3f9c64a79558da100074b556
Why are people making such a big deal about the solar eclipse?
https://mysterydoug.com/mysteries/solar-eclipse-2017?code=cbe5243ba84096aa0fde8268b2c191d8