Now buzzing and whizzing around every continent, insects were mysteriously scarce in the fossil record until 325 million years ago – when they first took flight and, according to a new study, evolutionarily took off.
Biologists have wondered for centuries why plants and animals take the shapes they do. Now, researchers exploring the mechanics of cells and tissues are finding answers that might one day help engineers rebuild our bodies.
What unites the needs of Ebola workers, people with multiple sclerosis and athletes comes down to one thing – cold hands. A device that cools the hands is finding widespread use from the playing field to the clinic.
Federal regulators have indicated they may open some marine national monuments to commercial fishing. Researchers who have studied these and adjacent areas discuss their value and the potential impacts of a change in protected status.
Before life could begin, something had to kickstart the production of critical molecules. Chemistry Professor Richard Zare says that something may have been as simple as a mist made up of tiny drops of water.