News
- Astronomy
Enormous black hole resides at core of tiny galaxy
A small galaxy stores 15 percent of its mass in a black hole, suggesting compact galaxies might be shreds of once larger galaxies.
- Earth
Shrinking ancient sea may have spawned Sahara Desert
The Saharan Desert probably formed 7 million years ago as the ancient Tethys Sea, the forerunner of the Mediterranean Sea, shrank.
- Materials Science
Making metamaterials ‘digital’ could simplify invisibility cloaks
The digital world of 1s and 0s has inspired a simpler way to make complex metamaterials.
- Life
Artificial sweeteners may tip scales toward metabolic problems
The artificial sweetener saccharin meddles with the gut’s microbial community, setting in motion metabolic changes associated with obesity and diabetes.
