The world's ocean are absorbing carbon dioxide at an unprecedented rate and the resulting acidification is transforming marine ecosystems. We look at how ocean acidification is already affecting coral reefs in the Florida Keys.

Welcome to the NOVA Science Studio! This program is designed to provide students with the skills and tools to tell their own stories about science issues happening in their communities. The curriculum, developed by the NOVA staff, focuses on science journalism and video production. It provides support for engaging in discussions and activities as well as editorial guidance for students as they develop their stories for their videos, conduct research, and shoot and edit their videos. The curriculum is designed to be completed over 7 to 8 months. It is recommended that educators teach the NSS curriculum to students in sessions at least twice a week.

Two women. One allegiance. Together they fought for women everywhere, and their strong willpower and sheer determination still ripples through contemporary society. Here lies the story of two of our century's most celebrated pioneers Elizabeth Cady Stanton and Susan B. Anthony. Recount the trials, tribulations and triumphs of these two women as they strive to give birth to the women's movement.

Safety First: Fire Safety. Hosted by Eagles sports player Brian Dawkins, who goes through the five rules of fire safety: "Stop. Drop. Roll. Cool. Call." Children act out the burn prevention exercise and medical experts explain the difference between first, second, and third degree burns. The importance of burn prevention and treating stoves, electric devices, and hot water with care is emphasized.

In this interactive, see how closely parts of your body match those in other animals, from sharks to fruit flies.