Life
We summarize the week's scientific breakthroughs every Thursday.
- Genetics
Chemical tags on DNA appear to differ between gay and straight men
DNA marks distinguished homosexual men from heterosexual men with in a small twin study.
- Oceans
Widespread coral bleaching threatens world’s reefs
The world’s corals are experiencing their third major bleaching event in 17 years.
- Humans
Into Africa: Ancient skeleton sheds light on reverse migration
Ancient man’s DNA helps reveal extent of Eurasian farmers’ back-to-Africa migration some 3,000 years ago.
- Animals
Fish have had telescoping jaws for 100 million years
Around 100 million years ago, fish developed a knack for extending their jaws to snare prey, and they’ve been perfecting this hunting technique ever since.
- Health & Medicine
Weight and sun exposure linked to onset of multiple sclerosis
Among people with multiple sclerosis, those with higher body mass and lower adolescent sun exposure tended to be diagnosed with the disease at an earlier age, a new study suggests.
- Chemistry
Chemistry Nobel granted for deciphering DNA repair
Three researchers win chemistry Nobel for working out how cells fix damaged genetic material
- Animals
How the giraffe got its long neck
A new study of fossils suggests that the giraffe’s defining feature may have started evolving long before modern giraffes came on the scene.
- Animals
Oldest pregnant horselike fossil found
A 48-million-year-old fossil of an early horse and fetus is the oldest and best-preserved specimen of its kind.
- Genetics
Chemistry Nobel honors studies of DNA repair mechanisms
Studies of DNA’s repair mechanisms have won Tomas Lindahl, Paul Modrich and Aziz Sancar the 2015 Nobel Prize in chemistry.
- Animals
No eyes, no problem for color-sensing coral larvae
Switching colors of underwater light can switch preferences for where staghorn corals choose their forever homes.
- Humans
Chimpanzees show surprising flexibility on two feet
Chimpanzees’ upper-body flexibility while walking upright suggests ancient hominids walked effectively.
- Animals
What really changes when a male vole settles down
Bachelor prairie voles can’t tell one female from another, but saying “I do” means more than just settling down.
