July 8th: This Week in Science

Authorea Team

Ozone healing?

The Antarctic ozone layer may be showing signs of healing. Scientists believe this phenomenon is due to a 30-year old international policy banning chemicals that destroyed the ozone. Chlorofluorocarbons and halons were present in refrigerators and aerosol cans, but have since been prohibited.

Juno meets Jupiter

NASA's spacecraft Juno reached Jupiter on Monday, five years after leaving Earth. The spacecraft is solar-powered and about the size of a basketball court, and was sent to get closer than ever before to finding what goes on beneath Jupiter's clouds.
Illustration of the Juno spacecraft. Credit: NASA/JPL

Med Schools Stop Live Animal Testing

Medical schools in the United States and Canada have stopped using live animals to teach their students. Many schools believe simulators based on the human body provide better and more relevant teaching tools.