Uncategorized
- Genetics
Ebola genome clarifies origins of West African outbreak
Genetic analyses suggest that a single infected person sparked the ongoing Ebola epidemic in West Africa.
- Anthropology
Siberians came to North American Arctic in two waves
Siberian ancestors of the modern-day Inuit replaced a 4,000-year-old North American Arctic culture, a DNA study reveals.
- Health & Medicine
Human tests of experimental Ebola vaccine set to start
NIH and NIAID have announced that human tests of an experimental vaccine against Ebola virus will begin in early September.
- Health & Medicine
To grow new knee cartilage, look to the nose
Cartilage-making cells from the nose grew into patches that successfully replaced damaged or missing cartilage in the knees of goats and of humans.
- Astronomy
Wake of nearby supernova hints at explosion’s origins
Gamma rays from radioactive decay of cobalt formed in a nearby supernova reveal unprecedented details of the explosion’s aftermath.
- Quantum Physics
Blind quantum camera snaps photos of Schrödinger’s cat
Quantum weirdness lets physicists snap photo without collecting incoming light from cardboard cat subject.
- Neuroscience
Laser light rewrites memories in mice
Mouse experiment demonstrates that good memories can be transformed into bad ones, and vice versa.
- Tech
Robot swarm takes many shapes
One Kilobot is not very smart. But 1,000 can follow simple instructions to assemble into multiple shapes without human intervention.
- Life
Gut bacteria may prevent food allergies
In mice, gut bacteria blocked food from seeping out of the intestines and triggering an immune reaction in the bloodstream.
- Chemistry
Liquid salts break through armored bacteria on skin
Compounds called ionic liquids can penetrate bacterial biofilms on skin to deliver antibiotics to potentially life-threatening infections.
- Animals
Antarctic midge sports tiniest insect genome
Antarctic midge‘s genetic minimalism achieved by skipping a lot of repetitive stretches.
- Animals
Corals, fish know bad reefs by their whiff
Compounds drifting off certain overgrown seaweeds discourage young corals and fish from settling in failing reefs.
