不花钱就能拥有的中英文绘本小程序，识别一下就能用.jpg 2.0MB

5分打印.jpg 87KB

0精选中英好书，订阅有红包.jpg 20KB

Can plants talk to each other_ - Richard Karban.mp4 124.4MB

How do schools of fish swim in harmony_ - Nathan S. Jacobs.mp4 82.4MB

How life came to land - Tierney Thys.mp4 148.8MB

Why is Mount Everest so tall_ - Michele Koppes.mp4 18.7MB

The threat of invasive species - Jennifer Klos.mp4 27.1MB

Dead stuff_ The secret ingredient in our food chain - John C. Moore.mp4 39.7MB

How Mendel's pea plants helped us understand genetics - Hortensia Jiménez Díaz.mp4 11.3MB

The most lightning-struck place on Earth - Graeme Anderson.mp4 47.0MB

The world’s largest organism - Alex Rosenthal.mp4 58.3MB

The most colorful gemstones on Earth - Jeff Dekofsky.mp4 130.4MB

Evolution in a Big City.mp4 65.4MB

Making sense of how life fits together - Bobbi Seleski.mp4 67.7MB

Inside the ant colony - Deborah M. Gordon.mp4 60.2MB

Licking bees and pulping trees_ The reign of a wasp queen - Kenny Coogan.mp4 83.3MB

How did feathers evolve_ - Carl Zimmer.mp4 23.7MB

How to fossilize...yourself - Phoebe A. Cohen.mp4 22.0MB

Why do animals form swarms_ - Maria R. D'Orsogna.mp4 58.7MB

The science of snowflakes - Maruša Bradač.mp4 52.4MB

The Arctic vs. the Antarctic - Camille Seaman.mp4 16.8MB

Why are there so many insects_ - Murry Gans.mp4 20.8MB

Why isn't the world covered in poop_ - Eleanor Slade and Paul Manning.mp4 18.6MB

Pruney fingers_ A gripping story - Mark Changizi.mp4 65.2MB

Why don’t poisonous animals poison themselves_ - Rebecca D. Tarvin.mp4 21.6MB

How to speak monkey_ The language of cotton-top tamarins - Anne Savage.mp4 41.0MB

Why are earthquakes so hard to predict_ - Jean-Baptiste P. Koehl.mp4 28.4MB

Why are there so many types of apples_ - Theresa Doud.mp4 13.2MB

The colossal consequences of supervolcanoes - Alex Gendler.mp4 36.0MB

Feedback loops_ How nature gets its rhythms - Anje-Margriet Neutel.mp4 49.9MB

Why do animals have such different lifespans_ - Joao Pedro de Magalhaes.mp4 25.0MB

How plants tell time - Dasha Savage.mp4 21.4MB

When will the next mass extinction occur_ - Borths, D'Emic, and Pritchard.mp4 68.7MB

History through the eyes of a chicken - Chris A. Kniesly.mp4 44.4MB

Who owns the _wilderness__ - Elyse Cox.mp4 61.3MB

How do tornadoes form_ - James Spann.mp4 26.8MB

How smart are dolphins_ - Lori Marino.mp4 22.9MB

How do birds learn to sing_ - Partha P. Mitra.mp4 43.2MB

Where did Earth’s water come from_ - Zachary Metz.mp4 13.6MB

What would happen if every human suddenly disappeared_ - Dan Kwartler.mp4 37.7MB

The bug that poops candy - George Zaidan.mp4 35.7MB

What happens when continents collide_ - Juan D. Carrillo.mp4 50.3MB

The hidden worlds within natural history museums - Joshua Drew.mp4 37.2MB

Why do we kiss under mistletoe_ - Carlos Reif.mp4 13.9MB

The case of the vanishing honeybees - Emma Bryce.mp4 101.6MB

The wild world of carnivorous plants - Kenny Coogan.mp4 26.5MB

Vermicomposting_ How worms can reduce our waste - Matthew Ross.mp4 14.1MB

What’s so great about the Great Lakes_ - Cheri Dobbs and Jennifer Gabrys.mp4 80.5MB

The secret language of trees - Camille Defrenne and Suzanne Simard.mp4 26.8MB

Got seeds_ Just add bleach, acid and sandpaper - Mary Koga.mp4 12.0MB

Reasons for the seasons - Rebecca Kaplan.mp4 40.6MB

How do crystals work_ - Graham Baird.mp4 58.8MB

The three different ways mammals give birth - Kate Slabosky.mp4 24.8MB

The evolution of animal genitalia - Menno Schilthuizen.mp4 32.5MB

Attack of the killer algae - Eric Noel Muñoz.mp4 38.0MB

How we think complex cells evolved - Adam Jacobson.mp4 21.1MB