Nicotine, a potent insecticidal alkaloid unique to the nightshade family, has been employed in agriculture as a pesticide ...

When Jasper Baur was a freshman at New York's Binghamton University, his interests centered on earth sciences. Then he got ...

We thought it was evolution, but an experiment with pencils shows that tips like teeth and thorns may owe their rounded shape ...

Crystals, bacterial colonies, flame fronts: the growth of surfaces was first described in the 1980s by the ...

We associate nests with shelter, warmth, and a safe retreat—and usually picture a bird's nest made out of twigs, grass and ...

Observations conducted with the Subaru Telescope and its first-generation wide-field camera, Suprime-Cam, have revealed new ...

The halomethane compound bromoform (CHBr3) has devastating effects on the ozone layer. In the upper layers of the atmosphere, ...

Elements essential to life, such as carbon, nitrogen, oxygen, phosphorus, and sulfur, were "delivered" to Earth and the moon ...

U.S. cities are rapidly becoming urban heat islands, where these cities are significantly warmer than their surrounding area.

There are many poorly understood links in the food web, often referred to as trophic relationships. Out in East Antarctica, a ...

On the shores of the west coast of Australia lies a window to our past: the stromatolites and microbial mats of Gathaagudu ...

Iron and oxygen bind together throughout the body. Most famously, iron binds dioxygen, or two oxygens paired with each other, in hemoglobin that transports oxygen through blood. But iron-oxo compounds ...