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How do poinsettias detect pH levels?
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What are LEDs and how are they different from other bulbs?
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What is canned air? (and should we use it?)
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Chemistry at Home: Chocolate and Gum
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What is gum? And what happens when you swallow it?
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Ask a Chemist: Why are crystals rare? (and other questions)
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Do carrots help us see better?
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What makes honey crystallize?
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How do things glow in the dark?
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Ask a Chemist: Why do self-tanners smell weird? (and other questions)
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How does spray tan stain our skin?
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What makes jalapeños spicy, and what other crazy properties do they have?
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Why does ibuprofen take so long to work?
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Ask a Chemist: Does raw milk have more bacteria? (and other questions)
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How do pain killers relieve pain?
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Why do we use fluoride on our teeth?
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What are dental fillings and how are they chemistry?
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Ask a Chemist: Reddit's Chemistry Questions Answered
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What is up with RAW milk?
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What happens to eggs when we cook them? (with Jason Cress)
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Bonus: Fun Fact or Fake Factoid?! A Chemistry and Trivia Showdown
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Ask a Neuroscientist: Why is Adderall addictive to SOME people and not others? (and other questions)
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How do anti-depressants work? (featuring Claire Caballero)
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Vitamin C: Myths, Facts, and Daily Needs
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Why do apples turn brown when we cut them?
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Should we take Vitamin C when we're sick?
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Ask a Chemist: Why do chemicals smell "chemically?" (And other questions)
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How does Vitamin C keep our bodies from turning into mush?
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Do anti-aging products work?
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What even ARE vitamins? And do we actually need them?
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Ask a Chemist: Why do you need yogurt to make yogurt? (And other questions)
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Why does hair turn grey when we age?
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Why do bad smells smell bad?
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What is old people smell? And is the internet wrong about it?
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Ask a Chemist: Reddit Edition!
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Is compost dirt??
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How do sunglasses protect our eyes?
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What are the Northern Lights?
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Ask a Chemist: Can you dissolve a liquid into a solid? (and other questions)
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Did the FDA eliminate Forever Chemicals? (PFAS Part 5!)
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Why do things fade in the sun?
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What's the REAL reason we can't look at a solar eclipse?
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Ask a Chemist: How does purple shampoo work, or does it? (and other questions)
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What is Vitamin D? And what does it have to do with the sun?!
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Why do plants die in freezing weather?
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What's up with Fahrenheit, Celsius, and... Kelvin?
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Ask a Chemist: Why do metals look metallic? (and other questions!)
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How do infrared thermometers work?
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How do we see our breath in the air?
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Thermometers: what is the chemistry behind them?
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Bonus: How do "forever chemicals" sneak into our clothes? (and other questions)
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What is yogurt?
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What is cheese? And what does it have in common with soap?
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What even is cinnamon?
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Bonus: What's the chemistry of kombucha? (and other questions)
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What even is MSG? Is it bad for you?
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Why do onions make you cry?
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Why does(n't) turkey make you sleepy?
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Bonus: Acronyms and Mom Memories (chemmunity style)
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Why do we stir things to dissolve them?
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Why does water form droplets?
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What is freeze drying?
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Bonus: Can geckos stick to teflon? (And other questions about PFAS)
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Are learning styles real?
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What is margarine? How is it different from butter?
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Can forever chemicals be destroyed? (PFAS part 4)
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Bonus: How does numbing cream work? (and other questions)
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What can we do now about "forever chemicals?" (PFAS part 3)
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Are cast iron pans as cool as people say?
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The history of “forever chemicals,” how did we get here? (PFAS part 2)
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Bonus: Why does coffee spoil faster than tea? (and other questions)
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What are "forever" chemicals? (aka PFAs) And are they bad? (PFAS part 1)
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Is it safe to use teflon pans?
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What is silicone?
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Bonus: Are my shoes chemistry? (and other questions)
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What is dietary fiber?
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What is jam? (and jelly and preserves etc.)
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What is rubber?
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Bonus: 1,000,000 Downloads! - YouTube Live Replay
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Why DO mosquitos bite some people more than others? (new research!)
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Do mosquitos bite some people more than others?
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Bonus: Why is butter yellow? (and other questions)
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What is the greenhouse effect?
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Why does carbonated water have a taste?
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What is popcorn?
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Bonus: Can coffee get HOTTER in an insulated mug? (and other questions)
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What is whipped cream?
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What are trans fats and are they evil?
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What is butter?
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Bonus: How does lightning striking sand create glass? (and other questions)
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How do gemstones get their color?
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What is silver tarnish?
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How do smoke alarms detect smoke? (part 2)
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Bonus: Why do cucumbers upset people's stomachs? (and other questions)
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How do smoke alarms detect smoke? (part 1)
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Baking soda and baking powder: What's the difference?
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How does baking soda eliminate odors?
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Bonus: Are candles toxic? (and other questions)
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Is freezing point *actually* real?
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How do thermoses keep coffee hot?
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