All Stories
- Animals
Lacking ice, huge walrus herd congregates on Alaska shore
A large group of walruses has hauled out on the beach near Point Lay, Alaska. The animals have been forced onto shore due to a lack of sea ice in the region.
- Oceans
Satellites expose mysteries of the deep ocean
New detailed map of Earth’s seafloor reveals never-before-seen formations.
- Animals
Looking for, not catching, prey drains big cats’ energy
For some big cats, ambushing prey in quick attacks may ease the high energy cost of hunting, new studies show.
By Meghan Rosen - Health & Medicine
Still waiting on a cure for diabetes
Diabetes diagnoses have skyrocketed in the past 50 years. While there are now better medications and options for control, there is still only hope of a cure.
- Neuroscience
High blood sugar could worsen effects of spinal injury
Studies in people and mice suggest reining in blood sugar can improve recovery from a spinal cord injury.
By Nathan Seppa - Planetary Science
Daily winds shift sands of Martian dune field
Martian winds may stir the Red Planet's sands more often than scientists thought.
- Animals
Crabs guard coral from army of sea stars
Coral guard-crabs proved their worth during a 2008 outbreak of crown-of-thorns sea stars, with many successfully protecting their coral from being eaten.
- Animals
Monarch butterflies’ ancestors migrated
The earliest monarch butterflies originated in North America and were migratory. Some of the insects later lost that ability as they moved into the tropics, a genetic analysis finds.
- Health & Medicine
The sour side of artificial sweeteners
A new study found that saccharin alters the gut microbiome of mice and produces insulin resistance, but it’s not the first to show the sour side of diet drinks.
- Neuroscience
White House gives progress report on BRAIN Initiative
More pieces of President Obama’s ambitious BRAIN Initiative announced April 2013 have fallen into place.
- Health & Medicine
Ebola case identified in Dallas
The first case of Ebola to be diagnosed in the United States was announced September 30 in Texas.
- Animals
Baby fish are noisier than expected
Gray snapper larvae may be able to communicate in open water using tiny knocks and growls.
By Susan Milius