Fewer children in the United States are getting vaccinated. That’s bad news for those kids, and also for public health in general. Often, the response is to argue and debate and get angry at people who are we see as making terrible,...

When you think of a jellyfish, do you imagine an angelic stingy blob? That's just one stage of the life of a jelly!

There's a lot we don't understand about autism spectrum disorder, but this week scientists announced that they may have found a link between the disorder and elevated hormone levels.

Two YouTube musicians battle it out to see who shall sing a song of victory.

Turns out, two atomic clocks are indeed better than one. And what role does sleep play in memory suppression?

Even if you’re tiny, you can still be fierce. Here are 8 little invertebrates who punch above their weight class at dinner time.

Toxic waste, by definition, is harmful to living things, but there are actually a bunch of plants, animals, fungi, and microbes that can help us clean it up! Hosted by: Olivia Gordon

It took some time for us to realize it isn’t the best idea for scientists to experiment on themselves. But along the way, sometimes at the expense of the health of scientists, we have gained crucial insights into their areas of study.

Lead is really useful when you add it to things like paint and gasoline. Problem is, it’s also poisonous. Hosted by: Hank Green

Fashion fads come and go—but did you know that some fashion trends are downright dangerous?

Evidence strongly suggests that men have, on average, a shorter lifespan than women, but scientists aren't exactly sure why that is. Check out today's QQ to learn more about this mortality mystery.

Lawyers are advocates for their clients -- and, in court, they're usually the ones who do the talking. Should that always be the case? In an effort to shift this power dynamic, TED Fellow and legal aid activist Lam Ho shares how lawyers...

People have been captivated by horses for a long time. They appear more than any other animal in cave paintings dating back 30,000 years. But how did horses make the journey from wild animals to ones humans could hitch themselves to and...

Scientists know that genetic factors can explain many of autism’s features - but have autism researchers been looking for those features in the wrong DNA? A new study uses A.I. to uncover changes linked to autism in the stretches of non...

Have you ever wondered why the gas station has “unleaded fuel” but there isn’t a “leaded” option? The answer has to do with a chemical called tetraethyl lead, which is an organometallic compound, or an organic compound with a...

At the heart of alchemy was the quest to turn ordinary metals into gold. Despite the hopelessness of that goal, alchemists still made a lot of discoveries that formed the foundation of modern chemistry and medicine.

Fewer children in the United States are getting vaccinated. That's bad news for those kids, and also for public health in general. Often, the response is to argue and debate and get angry at people who are we see as making terrible,...

From outbreaks of measles in the United States and cholera in Haiti to patterns of lead poisoning near gold mines in Nigeria, medical geographers play an important role in tracking disease in the landscape. Today, we're going to look at...

So, "modern" is kind of a loaded term, but today we're going to talk about modern life in Europe, as it looked around the time the 19th century turned into the 20th. We'll look at what life was like in the rapidly growing urban centers...

Paul Andersen explains how to formulate questions to guide discussions and investigations. He starts by describing the proper type of questions that should be asked in an AP Biology classroom. He gives four examples of questions that...

Scientists have found some effective alternative treatments for patients with treatment-resistant depression, but they are not exactly sure why these treatments work.

World War I was very hard on the Russian Empire. So hard, in fact, that it led to the end of the Russian Empire. As the global conflict ground on, Tsar Nicholas II faced increasing unrest at home. Today we'll learn about the Revolutions...

There was a lot of bad stuff going on in Europe in the 17th century. We've seen wars, plagues, and unrest of all types. But, there is some good news. Huge advances were underway in the scientific community in Europe at this time. In this...

Often people make decisions that are not "rational" from a purely economical point of view - meaning that they don't necessarily lead to the best result. Why is that? Are we just bad at dealing with numbers and odds? Or is there a...