Search——Video Library

Natural Science Mathematics Physics Material Chemistry Astronomy Geoscience Bioscience Agriculture
Culture & History Art History Management Society Adventure Tourism
Engineering Design Decoration Environment Communication Transportation Technology
Military Detective Military Warfare Reasoning
Medicine & Health Basic Medicine Medicine Frontier Public Health Care
Lectures Society Design Scientific Technology

Quick Search

Hot video

Search Results
by picture
by word

Title

Abstract

Duration

Viewers

Secrets of the Sequence（35）

Abstract: For centuries' isolation， disease， feuds and disasters limited variation in Iceland's gene pool. In 1995， more people...

Country: America Duration: 30 mins Viewers: 787

Microworlds — Secrets of Sea Urchins

Abstract: Round， spiky marine creatures — these are sea urchins. When they're young， sea urchins have a completely differe...

Country: Japan Duration: 5 mins Viewers: 787

Secrets of the Sequence（24）

Abstract: Sixty years ago， Japanese army scinetists experimented with an organic paste that glowed softly in the dark. They pla...

Country: America Duration: 30 mins Viewers: 786

Secrets of the Sequence（5）

Abstract: Now the science of genomics has been drafted to serve in the war on killer diseases， including the bacteria that caus...

Country: America Duration: 30 mins Viewers: 785

The Bacterium

Abstract: Infectious diseases are caused by bacteria. But during the Middle Ages， millions of people died without knowing the c...

Country: Germany Duration: 15 mins Viewers: 785

The Human Body: How It Works

Abstract: In order to function normally， human body has to meet three demands: regular nutrition supply， processing of nutrient...

Country: Australia Duration: 18 mins Viewers: 784

Secrets of the Sequence（48）

Abstract: American James Watson and Englishman Francis Crick connected many smaller discoveries， and built their famous model， ...

Country: America Duration: 30 mins Viewers: 784

Cunning Little Pills

Abstract: If you come back in Australia 200 years ago we had a mass of little animals living in Australia. They weren't big k...

Country: Australia Duration: 25 mins Viewers: 779

Human Defenses

Abstract: Harmful microbes can enter our bodies via seemingly minor cuts or through contaminated food and water. Our bodies are...

Country: America Duration: 30 mins Viewers: 777

Over the Edge

Abstract: The water's edge， the first leg of an odyssey that extends from the junction of land and sea to the submerged edge of...

Country: Canada Duration: 30 mins Viewers: 777

Secrets of the Sequence（40）

Abstract: Across the world， science is closing in on the genetic causes of schizophrenia. Hearing voices or hallucinations is a...

Country: America Duration: 30 mins Viewers: 775

Deep Connections

Abstract: There's a number of factors that influence both the surface ocean currents and the deep ocean currents. On the surfac...

Country: Canada Duration: 30 mins Viewers: 773

Microworlds — Snow Crystal

Abstract: The landscape is shrouded in a blanket of snow. Snow crystals are tiny works of art created in the clouds. Look close...

Country: Japan Duration: 5 mins Viewers: 771

The Biophysical Environment

Abstract: The lithosphere， hydrosphere， biosphere and atmosphere are four interlocking pieces of the planet that together ...

Country: Australia Duration: 22 mins Viewers: 770

Life in the Balance

Abstract: After sixty million years on Earth， the rhinoceros is on the verge of extinction. Soon elephants may exist only in zo...

Country: America Duration: 60 mins Viewers: 768

Wildlife Diary 4

Abstract: Last time on Wildlife Diary， crazy with hunger with barely enough strength to hunt， Melissa brings down the young imp...

Country: America Duration: 30 mins Viewers: 767

Secrets of the Sequence（49）

Abstract: The fact that deoxyribonucleic acid， DNA， carried genetic information was known， but few thought it was the cent...

Country: America Duration: 30 mins Viewers: 763

World on a String

Abstract: Part of what makes us different one another as we grow older is that some of us stop asking the question "why" sooner...

Country: America Duration: 30 mins Viewers: 762

Wild about Animals

Abstract: In this program, we'll first visit the wolverines. They are considered the most ferocious animals in North America. W...

Country: America Duration: 25 mins Viewers: 760

Careers in Biology

Abstract: Biology is all around us. It's the science of living organisms — people, plants, animals or microorganisms. If you're...

Country: Australia Duration: 18 mins Viewers: 760

First...3 4 567 8 9...11 Last