News
- Physics
Negative temperature, infinitely hot
Physicists propose using ultracold atoms to create a thermodynamics puzzle routinely in the laboratory.
- Life
Big reveals for genome of tiny animal
Tunicates’ scrambled gene order suggests that arrangement may not matter for vertebrate body plan and hints at the origins of mysterious DNA chunks called introns.
- Health & Medicine
Antiretroviral drugs may prevent HIV infection
Gay and bisexual men who don’t have the AIDS virus can reduce their risk of getting it by taking a drug combination, a new study finds.
- Humans
Visor might protect troops from blasts
Computer simulations show that the current military helmet lets explosive forces into the head through the face.
