第1集：A brief history of dogs – David Ian Howe
第2集：A guide to the energy of the Earth – Joshua M. Sneideman
第3集：A simple way to tell insects apart – Anika Hazra
第4集：Attack of the killer algae – Eric Noel Mu?oz
第5集：Bird migration, a perilous journey – Alyssa Klavans
第6集：Can animals be deceptive_ – Eldridge Adams
第7集：Can plants talk to each other_ – Richard Karban
第8集：Can the ocean run out of oxygen_ – Kate Slabosky
第9集：Cannibalism in the animal kingdom – Bill Schutt
第10集：Cicadas_ The dormant army beneath your feet – Rose Eveleth
第11集：Curiosity, discovery and gecko feet – Robert Full
第12集：Dead stuff_ The secret ingredient in our food chain – John C. Moore
第13集：Do animals have language_ – Michele Bishop
第14集：Do we really need pesticides_ – Fernan Pérez-Gálvez
第15集：Evolution in a Big City
第16集：Feedback loops_ How nature gets its rhythms – Anje-Margriet Neutel
第17集：Five fingers of evolution – Paul Andersen
第18集：From the top of the food chain down_ Rewilding our world – George Monbiot
第19集：Got seeds_ Just add bleach, acid and sandpaper – Mary Koga
第20集：History through the eyes of a chicken – Chris A. Kniesly
第21集：How a fly flies – Michael Dickinson
第22集：How a single-celled organism almost wiped out life on Earth – Anusuya Willis
第23集：How bees help plants have sex – Fernanda S. Valdovinos
第24集：How did feathers evolve_ – Carl Zimmer
第25集：How do animals experience pain_ – Robyn J. Crook
第26集：How do animals see in the dark_ – Anna St?ckl
第27集：How do birds learn to sing_ – Partha P. Mitra
第28集：How do crystals work_ – Graham Baird
第29集：How do dogs _see_ with their noses_ – Alexandra Horowitz
第30集：How do geckos defy gravity_ – Eleanor Nelsen
第31集：How do schools of fish swim in harmony_ – Nathan S. Jacobs
第32集：How do tornadoes form_ – James Spann
第33集：How do we know what color dinosaurs were_ – Len Bloch
第34集：How does a jellyfish sting_ – Neosha S Kashef
第35集：How life came to land – Tierney Thys
第36集：How Mendel’s pea plants helped us understand genetics – Hortensia Jiménez Díaz
第37集：How North America got its shape – Peter J. Haproff
第38集：How parasites change their host’s behavior – Jaap de Roode
第39集：How plants tell time – Dasha Savage
第40集：How smart are dolphins_ – Lori Marino
第41集：How smart are orangutans_ – Lu Gao
第42集：How tall can a tree grow_ – Valentin Hammoudi
第43集：How to fossilize…yourself – Phoebe A. Cohen
第44集：How to speak monkey_ The language of cotton-top tamarins – Anne Savage
第45集：How tsunamis work – Alex Gendler
第46集：How turtle shells evolved… twice – Judy Cebra Thomas
第47集：How we think complex cells evolved – Adam Jacobson
第48集：Inside the ant colony – Deborah M. Gordon
第49集：Inside the killer whale matriarchy – Darren Croft
第50集：Is fire a solid, a liquid, or a gas_ – Elizabeth Cox
第51集：Licking bees and pulping trees_ The reign of a wasp queen – Kenny Coogan
第52集：Making sense of how life fits together – Bobbi Seleski
第53集：Mating frenzies, sperm hoards, and brood raids_ the life of a fire ant queen – Walter R. Tschinkel
第54集：Meet the tardigrade, the toughest animal on Earth – Thomas Boothby
第55集：Myths and misconceptions about evolution – Alex Gendler
第56集：Nature’s smallest factory_ The Calvin cycle – Cathy Symington
第57集：No one can figure out how eels have sex – Lucy Cooke
第58集：Poison vs. venom_ What’s the difference_ – Rose Eveleth
第59集：Pruney fingers_ A gripping story – Mark Changizi
第60集：Reasons for the seasons – Rebecca Kaplan
第61集：Sex Determination_ More Complicated Than You Thought
第62集：Symbiosis_ A surprising tale of species cooperation – David Gonzales
第63集：The amazing ways plants defend themselves – Valentin Hammoudi
第64集：The Arctic vs. the Antarctic – Camille Seaman
第65集：The big-beaked, rock-munching fish that protect coral reefs – Mike Gil
第66集：The brilliance of bioluminescence – Leslie Kenna
第67集：The bug that poops candy – George Zaidan
第68集：The case of the vanishing honeybees – Emma Bryce
第69集：The Cockroach Beatbox
第70集：The coelacanth_ A living fossil of a fish – Erin Eastwood
第71集：The colossal consequences of supervolcanoes – Alex Gendler
第72集：The evolution of animal genitalia – Menno Schilthuizen
第73集：The ferocious predatory dinosaurs of Cretaceous Sahara – Nizar Ibrahim
第74集：The fish that walk on land – Noah R. Bressman
第75集：The game-changing amniotic egg – April Tucker
第76集：The hidden worlds within natural history museums – Joshua Drew
第77集：The loathsome, lethal mosquito – Rose Eveleth
第78集：The lovable (and lethal) sea lion – Claire Simeone
第79集：The most colorful gemstones on Earth – Jeff Dekofsky
第80集：The most lightning-struck place on Earth – Graeme Anderson
第81集：The mysterious origins of life on Earth – Luka Seamus Wright
第82集：The Pangaea Pop-up – Michael Molina
第83集：The popularity, plight and poop of penguins – Dyan deNapoli
第84集：The science of snowflakes – Maru?a Brada?
第85集：The science of static electricity – Anuradha Bhagwat
第86集：The science of symmetry – Colm Kelleher
第87集：The secret language of trees – Camille Defrenne and Suzanne Simard
第88集：The sexual deception of orchids – Anne Gaskett
第89集：The simple story of photosynthesis and food – Amanda Ooten
第90集：The surprising reasons animals play dead – Tierney Thys
第91集：The threat of invasive species – Jennifer Klos
第92集：The three different ways mammals give birth – Kate Slabosky
第93集：The truth about bats – Amy Wray
第94集：The weird and wonderful metamorphosis of the butterfly – Franziska Bauer
第95集：The wild world of carnivorous plants – Kenny Coogan
第96集：The world’s largest organism – Alex Rosenthal
第97集：Tracking grizzly bears from space – David Laskin
第98集：Turbulence_ one of the great unsolved mysteries of physics – Tomás Chor
第99集：Vermicomposting_ How worms can reduce our waste – Matthew Ross
第100集：What happens when continents collide_ – Juan D. Carrillo
第101集：What is dust made of_ – Michael Marder
第102集：What is the biggest single-celled organism_ – Murry Gans
第103集：What would happen if every human suddenly disappeared_ – Dan Kwartler
第104集：What’s below the tip of the iceberg_ – Camille Seaman
第105集：What’s hidden among the tallest trees on Earth_ – Wendell Oshiro
第106集：What’s so great about the Great Lakes_ – Cheri Dobbs and Jennifer Gabrys
第107集：When will the next mass extinction occur_ – Borths, D’Emic, and Pritchard
第108集：Where did Earth’s water come from_ – Zachary Metz
第109集：Where do genes come from_ – Carl Zimmer
第110集：Where we get our fresh water – Christiana Z. Peppard
第111集：Who owns the _wilderness__ – Elyse Cox
第112集：Why are earthquakes so hard to predict_ – Jean-Baptiste P. Koehl
第113集：Why are fish fish-shaped_ – Lauren Sallan
第114集：Why are sloths so slow_ – Kenny Coogan
第115集：Why are there so many insects_ – Murry Gans
第116集：Why are there so many types of apples_ – Theresa Doud
第117集：Why can’t some birds fly_ – Gillian Gibb
第118集：Why certain naturally occurring wildfires are necessary – Jim Schulz
第119集：Why do animals form swarms_ – Maria R. D’Orsogna
第120集：Why do animals have such different lifespans_ – Joao Pedro de Magalhaes
第121集：Why do cats act so weird_ – Tony Buffington
第122集：Why do we harvest horseshoe crab blood_ – Elizabeth Cox
第123集：Why do we kiss under mistletoe_ – Carlos Reif
第124集：Why don’t poisonous animals poison themselves_ – Rebecca D. Tarvin
第125集：Why elephants never forget – Alex Gendler
第126集：Why is biodiversity so important_ – Kim Preshoff
第127集：Why is Mount Everest so tall_ – Michele Koppes
第128集：Why isn’t the world covered in poop_ – Eleanor Slade and Paul Manning
