03/10/2019

New fluorescence method reveals signatures of individual microbes

When viewed with specialized microscopes, microbial cells show an individual fluorescence pattern, or signature, that depends on the mixture of biomolecules contained within the cells. That complex mixture, with its telltale ...

The physics of undulatory human swimming

A research team led by the University of Tsukuba created the most complete recording to date of a human swimming underwater like an eel or lamprey. Using motion-capture equipment and particle velocity monitors, the scientists ...

How did the extinction of saber-toothed cats impact other mammals?

When saber-toothed cats and mammoths roamed North America, they dominated their environments. After they went extinct during the end of the last ice age, their absence fundamentally altered interactions between smaller surviving ...

Exoplanet orbits its star every 18 hours

In the past decade, thousands of planets have been discovered beyond our solar system. These planets have provided astronomers with the opportunity to study planetary systems that defy our preconcieved notions. This includes ...

Confronting colony collapse

Honey bee colony collapse has devastating consequences for the environment, the global economy, and food security worldwide. The culprits behind some of the destruction—parasitic Varroa mites—are just a couple of millimeters ...

page 8 from 11