News
- Humans
Building a better bomb sniffer
A new handheld device detects TATP, an explosive that is easy to make but hard to detect.
- Life
Genome may be mostly junk after all
A cross-species comparison suggests that more than 90 percent of the DNA in the human genome has no known function.
- Health & Medicine
Immune gene variants help stop HIV
Research on HIV-infected people who rarely develop AIDS might lead to better drugs or a vaccine.
- Space
EPOXI spacecraft encounters comet
Passing within 700 kilometers of the peanut-shaped Hartley 2 nets detailed pictures.
