All Stories
- Life
Vitamin A deficit in the womb hurts immune development
Mice deprived of vitamin A in utero grow up with undersized immune organs.
By Nathan Seppa - Animals
Owl monkeys’ fidelity linked to males’ quality of parenting
The evolution of animals’ sexual fidelity is probably linked to the intensity of male care, the researchers suggest.
- Animals
Like a boomerang, relocated python comes back again
Burmese pythons, which have invaded the Everglades, can find their way home when people move them dozens of kilometers.
By Susan Milius - Genetics
Early Polynesians didn’t go to Americas, chicken DNA hints
Contamination of ancient chicken DNA may explain previous report linking Polynesians to South America.
- Math
Our Mathematical Universe
Math is everywhere: medicine, sports, banking, gambling, National Security Agency espionage.
- Science & Society
Stone throwers might toss fingerprints into police hands
An Israeli police lab is studying methods to develop fingerprints on rock to identify stone throwers.
- Genetics
Giant moa thrived before people reached New Zealand
Humans probably caused the extinction of giant wingless birds called moa in New Zealand, DNA evidence suggests.
- Astronomy
Sun’s ejections collide to create extreme space storm
In July 2012, the sun shot off streams of charged particles and magnetic fields that collided to create a record-setting space storm.
- Animals
How to count a sea turtle
Trends, not absolute numbers, matter more when it comes to conservation efforts for sea turtles.
- Space
Exoplanet oxygen may not signal alien life
Oxygen in an exoplanet atmosphere may come from water and ultraviolet light, not alien life.
- Cosmology
Gravitational waves unmask universe just after Big Bang
For the first time, researchers have seen traces of superfast cosmic expansion and gravity waves.
- Cosmology
Inflation rides gravity waves into cosmological history
The discovery of gravity waves in the cosmic microwave radiation signals the success of inflationary cosmology.