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Life Science

From the smallest microbe to the largest mammal, Life Science explores the origins, evolution and expansion of life in all its forms. Explore a wide range of topics from biology to genetics and evolution.

Topics to Explore

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How can there be seedless grapes? How can they reproduce?

There is a good chance that if you go to the grocery store and buy a bunch of grapes that they will be of the seedless variety. If the grapes are seedless, how are they able to produce new grapes? Find out the answer to that question in this article.

How Sleep Works

Every animal sleeps -- some more than others -- but why they do it is a mystery to scientists. Is sleep more than just beauty rest? Could skimping on it kill you? And how much do you really need?

How Cells Work

The human body is composed of about 10 trillion cells. Everything from reproduction to infections to repairing a broken bone happens down at the cellular level. Find out all about cells.

How Laughter Works

In this article, we'll look at laughter -- what it is, what happens in our brains when we laugh, what makes us laugh and how it can make us healthier and happier. You'll also learn that there's a tremendous amount that no one understands yet.

Can you lose weight faster if someone pays you to do it?

Anything that motivates you to better health is a good thing, right? But could cold hard cash actually be the "magic bullet" so many dieters seek?

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