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.

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Convergent Evolution: When a Good Idea Moves Between Species

Organisms not related to each other can develop similar physical attributes without even exchanging notes.

Pareidolia: Why We See Faces in Almost Everything

We see faces in clouds, on buildings — heck, in grilled cheese sandwiches. But why is that? And how is this a help to our survival?

The Bohr Model: Quickly Replaced But Never Forgotten

Niels Bohr proposed the model of the atom that we still learn in school today, even though it's technically incorrect.

What Does 'Homozygous' Mean?

We are who we are because of the genes our parents pass to us, but what happens when both parents contribute the same version of a specific gene?

Binaural Beats: Does This Auditory Illusion Really Calm Your Brain?

This new form of sound therapy takes advantage of the fact that a different frequency in each ear yields a third frequency that can allegedly calm you down or improve your focus. Does it really work? Our writer tried it out.

What Are the Steps of the Nitrogen Cycle?

Nitrogen is essential to living things, but it also plays hard to get.

Paranoia Will Destroya: When Does Healthy Fear Cross the Line Into Paranoia?

Ever feel like others are out to get you, or that you're in danger even though there's no clear threat? Is this normal in today's crazy world or is paranoia creeping in?

Centrioles: You Can't Divide Cells Without Them

Centrioles are spindles that create the pathways for chromosomes to follow during cell division.

You Already Use Heuristics Every Day. Here's What They Are

Heuristics are rule-of-thumb strategies that help us shorten decision-making time and solve problems quickly and effortlessly.

Why Was Phrenology All the Rage in Victorian Times?

Phrenology, the belief that you could determine personality from the shape of someone's skull, was so popular in the Victorian era that phrenology parlors sprung up all over Europe and America. But the trend was soon debunked.

Why Do Leaves Change Color in the Fall?

Autumn rolls out its very own red carpet to make a fashionable arrival. So why do falling leaves change colors to vibrant hues of crimson, yellow and orange?

The Pomodoro Technique: You Can Tackle Any Task 25 Minutes at a Time

Whether you're a procrastinator or a workaholic, you can improve your time management. How? With a timer, scheduled breaks and some serious discipline.

Star Trek's Kobayashi Maru Exercise Explores No-win Situations

The Kobayashi Maru simulation puts future Starfleet commanders in a classic "no-win" scenario. It's so accurate, even the U.S. military uses the exercise to test the measure of a good leader.

What Happened to 'Androgynous'?

It's one of those words that might remind you of certain gender-bending musicians from the '80s, but what does it mean today?

Turn Your Loved One Into a Tree With Bios Urn

With cemetery space at a premium and the increasingly evident environmental drawbacks to traditional burial, what better way to memorialize your beloved pet, or a beloved person, than to turn their remains into a tree?

Glacier 'Mice' Move and That Has Scientists Stumped

Cute little balls of moss, called glacier mice, have been known to move up to an inch a day, all at the same time, like a herd of mice, but how and why?

What Does the Endoplasmic Reticulum Do?

The part of your cells that helps you recover from a hangover is shaped like a maze of tubes and is made of two parts — the rough endoplasmic reticulum and the smooth endoplasmic reticulum.

Commensalism: I Benefit, You Don't, but It's All Good

Commensalism is a form of cooperation among species in which one species benefits from another without the first one suffering any harm from the relationship.

What Is Ashwagandha?

Ashwagandha, sometimes called Indian ginseng or Indian winter cherry, is one of the most prized herbs in the Indian Ayurvedic science of life.

Can You Become Ambidextrous Later in Life? It Depends

Most people throughout the world are right-handed. So can they teach themselves to use their left hands, too and become ambidextrous?

What's the Difference Between Prokaryotic and Eukaryotic Cells?

Prokaryotic cells are like single-room efficiency apartments while eukaryotic cells are like mansions with many rooms — and they are the only two kinds of cells in the world.

The Manchineel, or 'Death Apple,' Is the World's Most Dangerous Tree

Found along beaches and in the mangrove swamps of tropical climates, the fruit of the manchineel tree was called the 'little apple of death' by Spanish conquistadors.

Plankton Is Earth's Tiniest Unsung Hero

A single-celled algae, barely visible to the eye, plankton contributes to some of the world's most important resources and is essential to the food chain that supports all life.

More Proof Neanderthals Weren't Stupid: They Made Their Own String

We make a big deal about modern humans being smarter than Neanderthals, but, really, are we?

Can You Live Without Oxygen? This Animal Can

You could be excused for thinking that, of course, all animals breathe oxygen to live. Because it wasn't until very recently that scientists discovered the only multicellular animal that doesn't. Meet Henneguya salminicola.