We answer the question if potassium metal would react with ice.

This 3D medical animation describes PCOS, polycystic ovary (ovarian) syndrome. The animation begins with the normal anatomy and physiology of the ovaries, including the effects of certain hormones on ...

The Black Death pandemic swept across Europe in the mid-14th century killing about half the population. It was caused by a bacterium called Yersinia pestis. This strain of bacteria is still around tod...

An informative video of the biological processes behind the menstrual cycle. The video is titled "The Normal Female Reproductive System" and is produced by Schering-Plough

In this video we see a killer T cell of the immune system attacking a cancer cell. From Cambridge University.

Responding to another viewer question, some team members recall the most dangerous chemical they have handled.

'The family of European rockets is growing. The next one is the youngest, called Vega, soon to be launched from Europe's Spaceport in French Guiana. This new rocket complements the range that Europe a...

In this episode Space Wars are examined. The clashing of rock upon rock, then denting of planets, and moons. S4E8

Hank teaches us why water is one of the most fascinating and important substances in the universe.

Pioneering surgeon Susan Lim performed the first liver transplant in Asia. But a moral concern with transplants (where do donor livers come from ...) led her to look further, and to ask: Could we be t...

This 3D medical animation shows burns, which are skin injuries caused by heat, chemicals, electricity, or radiation. Types of burns are shown, including first-degree/supe... burns, second-degree/par.....

Ovulation is the part of the menstrual cycle where the ovary releases an egg to be fertilized during conception, or sloughed off during a woman's period.

Pie Ranch is an educational farm whose mission it is to inspire and connect people to know the source of their food, and to work together to bring greater health to the food system from seed to table....

Treasures at the Royal Society are protected from fire by a combination of carbon dioxide, nitrogen and argon - as Professor Poliakoff discovers.

'The family of European rockets is growing. The next one is the youngest, called Vega, soon to be launched from Europe's Spaceport in French Guiana. This new rocket complements the range that Europe a...

Dr. Saul Perlmutter presents his findings and methods for how he helped the Energy Department to receive another Nobel Prize.

Our Sun, gives us warmth, but one day a billion or so years from now, it will give us fiery end.