High elevations can be a problem for humans. Since the air is thinner, you get less oxygen with every breath, leading to all kinds of negative side effects. But there are millions of people around the world who spend their whole lives at...

When the ancestor of cetaceans went back into the water some 50 million years ago, it left a few things behind—including the functioning of certain genes that seem like they’d be hard to live without.

High elevations can be a problem for humans. Since the air is thinner, you get less oxygen with every breath, leading to all kinds of negative side effects. But there are millions of people around the world who spend their whole lives at...

Welcome back to the Fluctus Channel, where we observe the technology available in what used to be simple flight helmets but which are now sophisticated targeting systems. Fluctus is a website and YouTube channel dedicated to sea geeks....

This video explores the often-overlooked connection between sleep apnea and psychiatric problems. Discover seven common signs of sleep apnea, its physical consequences, and its potential impact on mental health. Learn how sleep apnea can...

In this video, Justin from the Institute of Human Anatomy discusses the drowning process, as well as the relevant anatomy.

The video discusses the phenomenon of dead zones in bodies of water, which are regions with low oxygen levels due to an excess of nutrients from agricultural and industrial activity. The video explains the four types of dead zones and...

In Water as a Natural Resource we are introduced to words such as habitat, ecosystem, watershed and estuary. Not only do kids learn that water exists everywhere on Earth, but that it is vital for life in plants, animals, and all other...

In Water as a Natural Resource we are introduced to words such as habitat, ecosystem, watershed and estuary. Not only do kids learn that water exists everywhere on Earth, but that it is vital for life in plants, animals, and all other...

In Water as a Natural Resource we are introduced to words such as habitat, ecosystem, watershed and estuary. Not only do kids learn that water exists everywhere on Earth, but that it is vital for life in plants, animals, and all other...

In Water as a Natural Resource we are introduced to words such as habitat, ecosystem, watershed and estuary. Not only do kids learn that water exists everywhere on Earth, but that it is vital for life in plants, animals, and all other...

Fish can escape from the deadly water, but slow creatures like crabs get trapped and die.

One photo from a passenger on Southwest Airlines Flight 1380 showed several passengers wearing oxygen masks incorrectly.

Introductory lesson on the transcriptional regulation of macroautophagy with emphasis on transcriptional activators. Macroautophagy is regulated transcriptionally during feeding, fasting, starvation, hypoxia and DNA damage. In this...

Water quality for swimming can be compromised by high levels of bacteria and harmful blooms of algae, in lakes and on ocean beaches. These can cause illness in people, along with harm to other creatures and plants. In this film, we look...

In Water as a Natural Resource we are introduced to words such as habitat, ecosystem, watershed and estuary. Not only do kids learn that water exists everywhere on Earth, but that it is vital for life in plants, animals, and all other...

In Water as a Natural Resource we are introduced to words such as habitat, ecosystem, watershed and estuary. Not only do kids learn that water exists everywhere on Earth, but that it is vital for life in plants, animals, and all other...

Large Mouth Bass die off in large numbers in an American estuary due to commercial pollution.

AP File Mt Everest, Nepal

1. Various of Mt Ev
erest
London Scie
nce Museum
2. Wide of Medi
cal laboratory
3. Close Expedition
Medical laboratory
4. Various of...

Program version only

N.B. This is a voiceover transcript, not a shotli
st:
HEADLINE: Body found in U.S.-bound plane
from China
CAPTION: Aviation officials say a man found dead in the wheel well of a jet flying...