Paul Andersen explains how disruptions in homeostasis can affect biological systems at all levels. He uses the example of dehydration in animals to explain how disruptions at the cellular level can affect an organism. He also uses the...

Hank explains the evolutionary basis for altruistic behavior in animals, including vampire bats!

The idea that humans react to disasters by losing control and acting selfishly is all too prevalent, especially in movies and television. But recent studies on altruism may provide evidence that this isn’t always the case, and this...

Bill and Webb can’t seem to agree, so they head the The Fort where Mister Brown tries to help them work together by teaching them about mutualisms, or when different types of animals help each other in the wild!



Next...

All plants start as seeds, and they can travel all over the world in lots of different ways. They might even hitch a ride on you!



/>SOURCES:

First Grade Next Generati

on Science...

GPS devices aren't just for keeping you from driving into a lake. They're also helping lots of scientists in unexpected ways.

Don't panic.

The largest planet in our solar system is no stranger to throwing its weight around, both to our benefit and detriment here on Earth.

There are renewable energy sources here on Earth, but to meet our clean energy needs we should consider every possible option, including the Moon.

Wael Ghonim is the Google executive who helped jumpstart Egypt's democratic revolution ... with a Facebook page memorializing a victim of the regime's violence. Speaking at TEDxCairo, he tells the inside story of the past two months,...

Plate Tectonics Explained

Why is it Hot Underground

Dive into the fascinating world of the mind with our "The Brain Song"! Perfect for kids, this catchy tune will spark your imagination and teach you all about the wonders of the human brain.

What does a renewable energy engineer do and how do they help shape a sustainable future? Watch this episode of "Jobs for the Future" to discover the skills and impact of this role.

GMOs. Vaccines. Death Panels. There are a lot of "beliefs" circulating about a wide variety of health policy issues. Luckily, these are all pretty well researched areas. Thanks to thorough investigations, we can conclude with certainty...

College students are always looking for ways to get a side hustle and having a youtube channel or instagram or tittok. Well here we give honest advice to college students to start an online profile to grow.

Filmed in...

In this lesson, you will learn about the different applications of chatbots, including helpdesk assistants, tutors, home assistants, office assistants, phone assistants, and medical assistants.

The Obama Center explained: when President Obama leaves office in January, 2017, he will be just 56 and-a-half years young, with at least two whole decades of productive working years ahead of him. He’ll also have the best perspective on...

A university program that provides a wraparound environment for both parents and their young children.

Educators at Woodland Park Zoo understand the importance of hands-on exploration as they teach young 5th graders about wildlife conservation.

Are Used Plastic Bottle Safe for Drinking Water?

Sometimes celebrities get a bad rap for being self-centered, but not these celebrities! These 3 celebrities are following their passions outside of the music, television, and film industries, and as a result, they're...

Are Morning Workouts Better?

Ever feel like you are literally wilting when the weather's hot? We droop like a houseplant that needs to be watered. When the plant gets a good long drink it bounces back to life and the same goes for humans who are...