All Stories
- Animals
Antibiotics in cattle leave their mark in dung
Treating cattle with antibiotics may have side effects for dung beetles, microbes and greenhouse gases.
- Animals
Snot could be crucial to dolphin echolocation
An acoustic model reveals that echolocation relies on mucus lined tissue lumps in the animal’s nasal passage.
- Astronomy
Return of superstar supernova raises doubt about its identity
The brightest supernova on record is back for round two, and might not be a supernova after all.
- Planetary Science
Space experts say sending humans to Mars worth the risk
At a meeting in Washington, NASA and aerospace reps discuss the hopes and hurdles of landing a crew on Mars by the 2030s.
- Health & Medicine
Researchers face off over whether newborns are really copycats
Scientists disagree about whether babies can imitate movements and facial expressions shortly after birth.
- Archaeology
Evidence of 5,000-year-old beer recipe found in China
Ancient brewer’s toolkits put barley on tap in China as early as 3400 B.C.
- Physics
The center of Earth is younger than the outer surface
Einstein’s general theory of relativity predicts the center of the Earth is two years younger than the crust.
- Astronomy
Young sun’s super solar flares helped set early Earth up for life
Super solar flares may have provided early Earth with planet-warming and life-building molecules.
- Animals
For baby sea turtles, it helps to have a lot of siblings
After hatching, baby sea turtles must dig themselves out of their nest. This requires less energy if there are lots of siblings, a new study finds.
- Life
Scientists find way to break through bad bacteria’s defenses
Enzymes can break down bacterial biofilm’s sugary walls.
- Climate
Zapping clouds with lasers could tweak planet’s temperature
Breaking up the ice particles inside cirrus clouds could make them reflect more light, turning them into a tool to combat global warming.
- Health & Medicine
CDC tracking 279 U.S. pregnant women with possible Zika infections
The number of U.S. pregnant women with evidence of Zika infection has climbed to nearly 300, and includes both women with and without symptoms.
