Where does the water in the Grand Canyon come from?

‘No-take’ marine reserves - where fishing is banned - can reverse the decline in the world’s coral reef shark populations caused by overfishing, according to an Australian study.

Electronics are showing up everywhere: on our laps, in pockets and purses and, increasingly, snuggled up against our skin or sewed into our clothing.

Improperly mixed chemicals cause a shocking number of fires, explosions, and injuries in laboratories, businesses, and homes each year. 

A scientific discovery often starts with a chance observation made by open minds who realize its potential. 

Take biomass-derived acetone—common nail polish remover—use light to upgrade it to higher-mass hydrocarbons, and, voila, you have a domestically generated product that can be blended with conventional jet fuel to fly while providing environmental benefits, creating domestic jobs, securing the nation’s global leadership in bioenergy technologies, and improving U.S. energy security.

The western United States has experienced such intense droughts over the past decade that technical descriptions are becoming inadequate. 

As many as nine million people (16% of all deaths worldwide) die each year as a result of air, water and soil pollution.

Tropical Cyclone 09S formed on Jan. 22 in the Southern Indian Ocean despite being affected by vertical wind shear, and one day later wind shear caused its demise. 

A team of researchers at the University of Ottawa has made an important breakthrough that will help better understand the origin and behavior of slow earthquakes, a new type of earthquake discovered by scientists nearly 20 years ago.