Curated Video
Germs and Hygiene
Explore where germs are found, how they can affect us, and how basic hygiene can help us avoid becoming unwell. Biology - Healthy Living - Learning Points. Pathogens are microbes that cause disease. Good hygiene is the best way to limit...
Curated Video
The Devastation of Hurricane Katrina
In August 2005, a strong tropical cyclone hit the Southeastern United States. This storm became known as Hurricane Katrina. Learn about where Katrina landed and the devastation it caused.
Professor Dave Explains
Periodic Table Part 8: Halogens (F, Cl, Br, I, At, Tn)
It's time to check out Group 17 on the periodic table, the halogens. This includes fluorine, chlorine, bromine, iodine, astatine, and tennessine. What can we say about their properties, reactivities, and applications? Let's find out!
TMW Media
Properties Of Water: Future use of water
What research is being conducted currently? How does it work? If successful, how can it help society? What careers deal with science and water?
Properties Of Water, Part 5
Getty Images
City employees take water samples from a river in New York City.
City employees take water samples from a river in New York City.
Getty Images
A city worker takes water samples and records data.
A city worker takes water samples and records data.
Hearst Metrotone News
Third-world women from Africa and Asia carry water supplies on their heads and shoulders.
Third-world women from Africa and Asia carry water supplies on their heads and shoulders.
AFP News Agency
CLEAN: Rebels call for 'game-changer' weapons to end Misrata siege
The Libyan National Transitional Council on Sunday called for 'game-changer' weapons to help them break the deadlock with Kadhafi forces in the besieged city of Misrata. Benghazi, Libya. (Footage by AFPTV via Getty Images)