22/06/2015

Varying the sliding properties of atoms on a surface

It's possible to vary (even dramatically) the sliding properties of atoms on a surface by changing the size and "compression" of their aggregates: an experimental and theoretical study conducted with the collaboration of ...

Hungry bluefin tuna in a sea of plenty

Bluefin tuna are going hungry in a sea full of fish because their foraging habits are most efficient with larger—not necessarily more abundant—prey, according to a study led by a University of Maine marine scientist.

Star formation near supermassive black holes

Most if not all galaxies are thought to host a supermassive black hole in their nuclei, a finding that is both one the most important and amazing in modern astronomy. A supermassive black hole grows by accreting mass, and ...

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