All Stories
- Oceans
Oxygen in Black Sea has declined by more than a third since 1955
The Black Sea’s oxygen-rich surface layer shrank by more than a third from 1955 through 2013, compressing marine habitats and bringing toxic hydrogen sulfide closer to the surface.
- Animals
Jumping conchs triumph at overheated athletics
“Simple” circulatory system outdoes fancier ones in delivering oxygen for jumping conchs in simulated climate change conditions.
- 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.
- Planetary Science
Ancient Mars had long-lasting lakes of liquid water
New evidence gathered by NASA’s Curiosity rover suggests Gale Crater once contained a stable lake of liquid water.
- 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.
- Science & Society
Nobels note neutrinos, DNA, drugs
The Nobel Prizes in physics, chemistry and physiology or medicine ran the gamut this year, honoring both fundamental science discoveries and research with real-world impacts.
- 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.
