News in Brief
- Health & Medicine
Mediterranean diet may offset genetic risk for stroke
Compared to a low-fat diet, eating fish and olive oil kept blood sugar levels lower in people with a common diabetes risk factor.
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- Tech
Online ‘likes’ multiply themselves
Social media users swayed by previous ratings, researchers find when they randomly assign positive and negative votes.
- Health & Medicine
Camels implicated as possible hosts of MERS virus
Antibodies to a mysterious pathogen that has sickened 94 people were found in camels in Oman and the Canary Islands.
- Health & Medicine
High blood glucose levels linked to dementia
Elderly people with elevated blood glucose levels are more apt to develop dementia, whether or not they have diabetes.
- Animals
Noise may disrupt a bat’s dinner
Mechanical cacophony can drown out the whispers of moving insect prey.
- Neuroscience
One sleepless night weakens resolve in the face of doughnuts
Sleep loss changes brain activity and food preferences.
- Health & Medicine
Space-mapping neurons found in human brain
Grid cells may orient people in Euclidean space.
- Tech
Bandage-like patch dissolves to deliver medicine to skin
Flexible material gets drugs or vaccines into body painlessly.
- Animals
Spider’s personality matters when job hunting
Boldest individuals of social species tasked with seeking out prey.
- Earth
Magma can speed to the surface, powering volcanoes
Fast ascent of molten rock could help scientists predict eruptions.
- Planetary Science
Saturn’s tides drive icy moon’s plumes
Enceladus' chilly jets ebb and flow in time with its planet's tug.
