When someone gets a PET scan to detect tumors and how far a cancer has spread, that machine is actually detecting sugar. Because cancer has a sweet tooth, and this phenomenon, called the Warburg effect, may help us develop new cancer...

Does the key to stopping cancer lie in the heart? Cardiologist Nicholas Leeper digs into emerging scientific research on the link between the world's two leading causes of death, heart disease and cancer, sharing how their biological...

In a series of mind-bending demos, inventor Mary Lou Jepsen shows how we can use red light to see and potentially stimulate what's inside our bodies and brains. Taking us to the edge of optical physics, Jepsen unveils new technologies...

Learn about the strongest, slowest, and fastest science in 2015!

The satellite launched in February, but in March, it malfunctioned, spun out of control, and broke into pieces. The mission was declared a failure. But! Before it failed, Hitomi managed a couple days' worth of observations.

A species of ant has been discovered to rescue and tend to the battle wounds of other ants injured while hunting, and scientists think that this is the first time this behavior has ever been observed in insects.

These giant balls of mucus may seem like a bizarre sight in the open ocean, but all this snot serves a purpose, both for the tiny creatures that produce it and for the entire ocean ecosystem!

SciShow Space shares the latest news from around the universe, including new details about our next mission to Mars, and a study that predicts a catastrophic solar storm may be more likely than we thought.

You'd think if we can tell when a star is about to implode that we could predict when a giant hole is about to open up here on earth and ruin our day. So why are sinkholes still so hard to predict?

We have archives of films, newspapers, even seeds -- what if we could make one for the entire surface of the earth? Drawing on his experience mapping an ancient city in the Honduran jungle, archaeologist Chris Fisher makes the case for...

The architecture of the social internet itself tells us not to be patient - to load more tweets, to hit refresh for new posts, and to click the top search results. But just because information is new, or algorithmically determined to be...

Studies suggest that if you made full-body scans part of your regular routine, you’d find a bunch of cancers over the years, but it wouldn't change your odds of having a life-threatening cancer. This is mostly because our definition of...

Imagine a future where nobody dies— instead, our minds are uploaded to a digital world. There they could live on in a realistic, simulated environment with avatar bodies, calling in and contributing to the biological world....

Is there a way to detect diseases like cancer and Alzheimer's before they advance too far? Doctors are using injected radioactive drugs that circulate through the body and act as a beacon for PET scanners. These diagnostic tools can...

Brain scans enable Psychologists and Neuroscientists to look inside the brain without having to open the patient's skull. In this video we cover four key types of brain scan that every Psychology student needs to know: 1) Computerised...

This video will examine the authentication methods used to protect a system or network from cyber-attacks.

In this two-part eye-opening video module, you will learn all about wonderful two-factor authentication: an excellent solution for preventing hackers hijacking your account! The term '2FA' will be explained in simple terms, and then you...

This video, entitled "Skills for Analyzing," explains how to analyze real-world texts using a variety of techniques.

This video, entitled "Reading Skills," explains different types of real-world documents and the approaches to reading them.

Howcast - Learn how to take an infant's temperature from parenting coach Tammy Gold in this Howcast baby care video.

Howcast - Learn how to use mobile coupons and savings apps in this Howcast video.

Howcast - Make an Earth Day coloring book at home your kids will love to color in.

Howcast - Just like the rest of your body, keeping your eyes in tip-top shape requires regular exercise. Here are few to try.