News
- Health & Medicine
Daily drug shown effective in preventing HIV infections
After a history of controversy, preexposure prophylaxis has been demonstrated to work for HIV prevention.
By Laura Beil - Health & Medicine
Eating meat officially raises cancer risk
Eating processed meats like bacon, ham and sausage causes cancer, says the World Health Organization.
- Quantum Physics
Light mimics hotel with limitless vacancies
By mimicking a mathematician’s method for creating vacancies in a hotel with an infinite number of rooms, physicists may have found a way of increasing the amount of data that can be carried via light.
By Andrew Grant - Animals
Salamander ancestors could regenerate limbs
Salamanders and ancient amphibians share similar way of regenerating limbs.
- Climate
Wi-Fi threatens weather forecasts
Interference from wireless technology threatens the usefulness of weather radar, meteorologists warn.
- Neuroscience
Signs of Alzheimer’s seen in young brain’s GPS cells
Signs of Alzheimer’s can show up in the brain’s compass decades before symptoms strike.
By Meghan Rosen - Anthropology
Plagues plagued the Bronze Age
Ancient bacterial DNA provides first clues to Bronze Age plagues in Europe and Asia.
By Bruce Bower - Animals
How architecture can make ants better workers
The right nest architecture can make harvester ants better at their job, new research shows.
By Susan Milius - Neuroscience
Nets full of holes catch long-term memories
Tough structures that swaddle nerve cells may store long-term memories.
- Animals
DNA trail leads to new spot for dog domestication
A new study suggests that dogs were first domesticated in Central Asia.
- Neuroscience
Signs of Huntington’s show up in the brain in childhood
Hints of Huntington’s disease show up in the brain long before symptoms do.
- Paleontology
New evidence weakens case against climate in woolly mammoths’ death
Hunters responsible for woolly mammoths’ extinction, suggests a chemical analysis of juveniles’ tusks.
By Meghan Rosen