All Stories
- Astronomy
Monster black hole lurks in the early universe
A black hole weighing the same as 12 billion suns is the most massive one known in the early universe.
- Health & Medicine
Community protection against measles jeopardized
‘Herd immunity’ to measles may be threatened by low vaccination rates in some parts of the United States.
- Earth
Water’s unclear origins, shaky solutions to climate change and more reader feedback
Readers discuss the pitfalls of carbon storage, whether a recent movie got Alan Turing's story right and more.
- Health & Medicine
Why stress doesn’t just stay in your head
Chronic stress may start in the brain, but new research reveals that its influences on the body roam far and wide.
- Life
The eyes have it: Long lashes not so lovely
Eyelashes can’t be too short or too long without ruining their aerodynamic protection.
- Science & Society
Islamic science paved the way for a millennial celebration of light
Ibn al-Haytham’s book on optics from a millennium ago serves as a good excuse to celebrate the International Year of Light.
- Health & Medicine
Stem cells from wisdom teeth could help repair corneas
A study points to a potential new treatment for corneal blindness: Stem cells extracted from pulp from pulled wisdom teeth.
- Animals
Where an ant goes when it’s gotta go
Scientists found black garden ants defecating in certain spots inside their nests. The researchers say these spots serve as ant toilets.
- Health & Medicine
For athletes, antioxidant pills may not help performance
Supplements of vitamins C, E and other antioxidants may blunt the positive effects of exercise training.
- Paleontology
Hippo history extracted from fossil teeth found in Kenya
Fossilized teeth from the newly identified Epirigenys lokonensis, an ancestor of the hippopotamus, are filling in some of the mammoth mammal’s history.
- Oceans
‘Ocean Worlds’ chronicles the story of water on Earth and across the cosmos
Jan Zalasiewicz and Mark Williams recount the history and predict the future of Earth’s oceans.
- Oceans
Glassy blue iceberg goes belly up
A photographer snaps a rare picture of a recently overturned iceberg near Antarctica.
