All Stories
- Health & Medicine
How Zika became the prime suspect in microcephaly mystery
New evidence in human cells strengthens the case against Zika in Brazil's microcephaly surge, but more definitive proof could come this summer from Colombia.
- Paleontology
How to tell if a T. rex is expecting
A “pregnancy” test for tyrannosaurs relies on chemical analyses of medullary bone, a reproductive tissue found in female birds.
- Astronomy
Quasars’ distance no longer in question
Astronomers now know quasars live around black holes in remote galaxies, but 50 years ago, one researcher argued they were much closer.
- Physics
Like birds of a feather, sperm flock together
Studies of sperm show that they swim in groups because of the elasticity of the mucus they travel through.
- Planetary Science
Get your Pluto trivia down cold
Eight months after visiting Pluto, the New Horizons spacecraft has delivered a wealth of details about the dwarf planet and its family of moons.
- Humans
Pacific islanders got a double whammy of Stone Age DNA
Neandertal and Denisovan genes influence the health of present-day Melanesians.
- Life
How Paralympic sprinters lose speed on curves
Amputee runners may lose more speed on curves when the leg on the inside of the curve is the one bearing a prosthetic, a biomechanics study finds.
- Health & Medicine
Efforts to control mosquitoes take on new urgency
The major mosquito that is spreading Zika virus has quirks that make it one of the toughest to fight.
- Neuroscience
Lost memories retrieved for mice with signs of Alzheimer’s
Using light, scientists coaxed a forgotten memory from the brains of mice with Alzheimer’s-like symptoms.
- Paleontology
True nature of ‘Tully monster’ revealed
The identity of a 300-million-year-old enigmatic creature known as the “Tully monster” is a mystery no longer.
- Animals
Plain ol’ Texas rat snakes basically match vipers for speed
Rattlesnakes and other vipers are not the fastest fangs in the West.
- Materials Science
Playing with building blocks for metamaterial design
Legos show promise as a low-cost method to assist scientists in developing novel metamaterials.
