News
- Health & Medicine
Getting to the bottom of diabetes and kidney disease
Renal cells called podocytes may need insulin to maintain tissues’ blood-filtration role, a study in mice finds.
By Nathan Seppa - Life
Massive count a drop in the bucket
As the decade-long Census of Marine Life totes up thousands of new species, it leaves much yet to discover in the world’s oceans.
By Susan Milius - Physics
Physics Nobel goes to graphene
Discovered only six years ago, the 2-D carbon sheets have spun off a new field of research.
- Space
Why Mars is a lightweight
Two new models of the early solar system try to explain why the Red Planet failed to grow as large as Earth or Venus.
By Ron Cowen - Earth
Air pollution appears to foster diabetes
Epidemiological studies confirm previously published animal data.
By Janet Raloff - Health & Medicine
Medical Nobel goes to developer of IVF
Robert Edwards receives prize for work that led to 4 million births.
By Nathan Seppa - Life
To researchers’ surprise, one Pseudomonas infection is much like the next
Consistent genetic changes in the lung bacteria that commonly plague cystic fibrosis patients are a welcome discovery because they may point to new treatment strategies.
- Life
A giant penguin plumed in earth tones
The first well-preserved feathers of 36-million-year-old diving bird give clues to color and evolution.
By Susan Milius - Space
First it’s there, then it’s knot
Discovered just a year ago, a tangle of atoms at the edge of the solar system disappears before astrophysicists’ eyes, leaving questions behind.
By Ron Cowen - Life
New genetic blueprint for bloodsuckers
Mosquito genome number three could lead to new pesticides to fight the adaptable pests.
- Humans
Ancient New Guinea settlers headed for the hills
Humans had reached the rugged land by sea and quickly adapted to the mile-high forested interior by nearly 50,000 years ago, stone tools and plant remains indicate.
By Bruce Bower - Space
Distant world could support life
For the first time, astronomers detect a planet beyond the solar system with the potential to be habitable.