U.S. News

Officials say more than 1.5 million free needles have been handed out to 3,000 drug users in Columbus as health advocates work to stop the spread of HIV and other infectious diseases.

One Scientist's Quest to Scan Every Species of Fish

National Geographic News

In fact, digitized images offer such valuable insight into biology, behavior, and animal history that Summers' interest ballooned into an ambitious global project. Beginning earlier this spring, this University of Washington professor set out to scan and digitize all 25,000 to 33,000 fish species on Earth--from the Amazon River's spotfin hatchetfish, to the fringed filefish that hover in western Atlantic Ocean seagrass beds, to the spotted gars found in Lake Michigan.

The End of AIDS?

PBS NewsHour

It's a bold mission by any standard: to end the AIDS epidemic. But the tools are there, say officials of the joint United Nations program on HIV/AIDS. Here's what the UNAIDS plan, known as "90-90-90," looks like.

[In Brief] News at a glance


In science news around the world, Louisiana's New Iberia Research Center announces it plans to release all 220 of its chimpanzees to a sanctuary, the U.S. Food and Drug Administration will regulate e-cigarettes, the Cayman Islands prepare to release genetically modified mosquitoes to combat the Zika virus, the United Kingdom's new polar research ship has an official name--and it isn't Boaty McBoatface--and Mercury's transit across the sun draws audiences to observatories around the world. Also, a new study of global adolescent health from 1990 to 2013 finds, among other results, that HIV/AIDS has replaced drowning as the leading cause of death in 10- to-14-year-olds. And a biotech startup uses genome editing to produce hornless cattle.