4:46
How turtle shells evolved... twice - Judy Cebra Thomas
TED-Ed
4:57
Why are fish fish-shaped? - Lauren Sallan
4:47
The surprising reasons animals play dead - Tierney Thys
4:58
Why isn't the world covered in poop? - Eleanor Slade and Paul Manning
5:15
Why are sloths so slow? - Kenny Coogan
5:36
The evolution of animal genitalia - Menno Schilthuizen
4:10
Meet the tardigrade, the toughest animal on Earth - Thomas Boothby
Why do we harvest horseshoe crab blood? - Elizabeth Cox
5:39
The surprising reason birds sing - Partha P. Mitra
5:03
The life cycle of the butterfly - Franziska Bauer
Cannibalism in the animal kingdom - Bill Schutt
4:07
A simple way to tell insects apart - Anika Hazra
4:06
Why do animals form swarms? - Maria R. D'Orsogna
6:12
The amazing ways plants defend themselves - Valentin Hammoudi
4:20
The ferocious predatory dinosaurs of Cretaceous Sahara - Nizar Ibrahim
4:50
The three different ways mammals give birth - Kate Slabosky
Why do animals have such different lifespans? - Joao Pedro de Magalhaes
5:07
How do animals experience pain? - Robyn J. Crook
What’s so great about the Great Lakes? - Cheri Dobbs and Jennifer Gabrys
4:42
Why do we kiss under mistletoe? - Carlos Reif
5:18
Do we really need pesticides? - Fernan Pérez-Gálvez
4:28
Why are there so many types of apples? - Theresa Doud
4:33
How smart are orangutans? - Lu Gao
4:23
How do animals see in the dark? - Anna Stöckl
What is the biggest single-celled organism? - Murry Gans
4:14
How a single-celled organism almost wiped out life on Earth - Anusuya Willis
How North America got its shape - Peter J. Haproff
The threat of invasive species - Jennifer Klos
4:39
Can plants talk to each other? - Richard Karban
Why do cats act so weird? - Tony Buffington
4:53
Why is Mount Everest so tall? - Michele Koppes
6:07
How do schools of fish swim in harmony? - Nathan S. Jacobs
4:44
Why are there so many insects? - Murry Gans
4:21
Why certain naturally occurring wildfires are necessary - Jim Schulz
3:41
The most lightning-struck place on Earth - Graeme Anderson
5:01
When will the next mass extinction occur? - Borths, D'Emic, and Pritchard
4:24
How do we know what color dinosaurs were? - Len Bloch
4:30
The science of snowflakes - Maruša Bradač
4:55
Do animals have language? - Michele Bishop
4:51
How smart are dolphins? - Lori Marino
What happens when continents collide? - Juan D. Carrillo
4:17
How does a jellyfish sting? - Neosha S Kashef
How plants tell time - Dasha Savage
4:19
Why is biodiversity so important? - Kim Preshoff
3:39
The science of static electricity - Anuradha Bhagwat
How do geckos defy gravity? - Eleanor Nelsen
3:53
Where did Earth’s water come from? - Zachary Metz
5:14
How brain parasites change their host's behavior - Jaap de Roode
5:42
How we think complex cells evolved - Adam Jacobson
How do dogs "see" with their noses? - Alexandra Horowitz
5:48
The truth about bats - Amy Wray
4:27
The hidden worlds within natural history museums - Joshua Drew
5:23
Why elephants never forget - Alex Gendler
Where do genes come from? - Carl Zimmer
5:11
Feedback loops: How nature gets its rhythms - Anje-Margriet Neutel
4:12
How do tornadoes form? - James Spann
What's hidden among the tallest trees on Earth? - Wendell Oshiro
The coelacanth: A living fossil of a fish - Erin Eastwood
Inside the ant colony - Deborah M. Gordon
A guide to the energy of the Earth - Joshua M. Sneideman
How to speak monkey: The language of cotton-top tamarins - Anne Savage
3:24
Attack of the killer algae - Eric Noel Muñoz
5:25
How bees help plants have sex - Fernanda S. Valdovinos
The colossal consequences of supervolcanoes - Alex Gendler
5:09
The science of symmetry - Colm Kelleher
3:37
How tsunamis work - Alex Gendler
5:38
Nature's smallest factory: The Calvin cycle - Cathy Symington
5:28
From the top of the food chain down: Rewilding our world - George Monbiot
3:56
Poison vs. venom: What's the difference? - Rose Eveleth
4:26
The Pangaea Pop-up - Michael Molina
How to fossilize...yourself - Phoebe A. Cohen
5:24
The popularity, plight, and poop of penguins - Dyan deNapoli
2:40
The loathsome, lethal mosquito - Rose Eveleth
Bird migration, a perilous journey - Alyssa Klavans
2:46
Cicadas: The dormant army beneath your feet - Rose Eveleth
4:25
The Arctic vs. the Antarctic - Camille Seaman
4:52
What's below the tip of the iceberg? - Camille Seaman
3:36
Got seeds? Just add bleach, acid, and sandpaper - Mary Koga
Myths and misconceptions about evolution - Alex Gendler
Vermicomposting: How worms can reduce our waste - Matthew Ross
The game-changing amniotic egg - April Tucker
4:15
Tracking grizzly bears from space - David Laskin
5:21
Reasons for the seasons - Rebecca Kaplan
Why do fingers become pruney? - Mark Changizi
4:09
The brilliance of bioluminescence - Leslie Kenna
3:27
How did feathers evolve? - Carl Zimmer
Making sense of how life fits together - Bobbi Seleski
3:07
How Mendel's pea plants helped us understand genetics - Hortensia Jiménez Díaz
4:01
The simple story of photosynthesis and food - Amanda Ooten
3:47
Where we get our fresh water - Christiana Z. Peppard
9:10
Curiosity, discovery and gecko feet - Robert Full
How life came to land - Tierney Thys
Five fingers of evolution - Paul Andersen
6:16
The Cockroach Beatbox
5:16
Evolution in a Big City
2:23
Symbiosis: A surprising tale of species cooperation - David Gonzales
5:46
Sex Determination: More Complicated Than You Thought
15:56
How a fly flies - Michael Dickinson
The case of the vanishing honeybees - Emma Bryce
3:51
Dead stuff: The secret ingredient in our food chain - John C. Moore
4:34
What is dust made of? - Michael Marder
5:10
Why don’t poisonous animals poison themselves? - Rebecca D. Tarvin
5:22
What would happen if every human suddenly disappeared? - Dan Kwartler
5:12
History through the eyes of a chicken - Chris A. Kniesly
4:32
Why can't some birds fly? - Gillian Gibb
4:35
Is fire a solid, a liquid, or a gas? - Elizabeth Cox
5:04
Inside the killer whale matriarchy - Darren Croft
4:56
The sneakiest tricksters of the animal kingdom - Eldridge Adams
The sexual deception of orchids - Anne Gaskett
How tall can a tree grow? - Valentin Hammoudi
4:59
A brief history of dogs - David Ian Howe
4:54
Why are earthquakes so hard to predict? - Jean-Baptiste P. Koehl
The wild world of carnivorous plants - Kenny Coogan
Turbulence: One of the great unsolved mysteries of physics - Tomás Chor
4:37
The lovable (and lethal) sea lion - Claire Simeone
How do crystals work? - Graham Baird
The secret language of trees - Camille Defrenne and Suzanne Simard
The mysterious origins of life on Earth - Luka Seamus Wright
5:19
Mating frenzies, sperm hoards, and brood raids: The life of a fire ant queen - Walter R. Tschinkel
Licking bees and pulping trees: The reign of a wasp queen - Kenny Coogan
The bug that poops candy - George Zaidan
6:02
No one can figure out how eels have sex - Lucy Cooke
5:05
The big-beaked, rock-munching fish that protect coral reefs - Mike Gil
6:21
Can the ocean run out of oxygen? - Kate Slabosky
5:47
The fish that walk on land - Noah R. Bressman
5:13
Who owns the "wilderness"? - Elyse Cox
5:56
The most colorful gemstones on Earth - Jeff Dekofsky
6:28
The world’s largest organism - Alex Rosenthal
5:00
Why didn’t this 2,000 year old body decompose? - Carolyn Marshall
5:55
How we can detect pretty much anything - Hélène Morlon and Anna Papadopoulou
5:27
Is this the most successful animal ever? - Nigel Hughes
4:22
Earth's mysterious red glow, explained - Zoe Pierrat
Just add water: The garden insect that can turn into a plague - Jeffrey A. Lockwood
Nature's fortress: How cacti keep water in and predators out - Lucas C. Majure
What is the rarest color in nature? - Victoria Hwang
These animals are also plants … wait, what? - Luka Seamus Wright
5:06
Hagfish: The world's slimiest creatures - Noah R. Bressman and Douglas Fudge
This weird trick will help you summon an army of worms - Kenny Coogan
Coneheads, egg stacks, and anteater attacks: The reign of a termite queen - Barbara L. Thorne
How do oysters make pearls? - Rob Ulrich
4:45
Why are beavers obsessed with dams? - Glynnis Hood
5:53
What’s worse than a wasp’s sting? Murder - Miles Zhang
Ethical dilemma: Should we get rid of mosquitoes? - Talya Hackett
5:58
What happens when the Arctic permafrost melts? - Brendan Rogers and Jessica Howard
The continents are moving. When will they collide? - Jean-Baptiste P. Koehl
Puke, poop, and tiny cockroaches: How the leafcutter ant queen runs her farm - Charles Wallace
5:37
The largest river on Earth is actually in the sky - Iseult Gillespie
The corpse flower may keep you up at night - Daniel Nickrent
Scientists are obsessed with this lake - Nicola Storelli and Daniele Zanzi
4:29
How are these fires burning underground? - Emma Bryce
Why are there two tides a day? - Elise Cutts
5:49
Is this the grossest parasite? - Niko Zlotnik
6:29
What are truffles, and why are they so expensive? - Carolyn Beans
4:36
How do sinkholes swallow entire houses and cities? - Elise Cutts
