樱桃视频

October 20, 2015

鈥楾erminator鈥� polymer regenerates itself

Spanish scientists report to have created the world's first self-healing polymer that can repair itself on its own without any intervention.

October 20, 2015

New element confirmed for periodic table

Swedish scientists report fresh evidence confirming the existence of a new element for the periodic table, a substance that doesn鈥檛 naturally occur anywhere on earth.

October 20, 2015

How to explore the microscopic world

Today's microscopes can reveal everything from the secretion of insulin in pancreatic cells to the chemical crossfire in slices of living brain tissue.

October 20, 2015

New 'charmed' particle may represent previously unknown state of matter

A new type of particle may have shown up independently at two particle accelerators, physicists say.

October 20, 2015

Doubling down: four-stranded, 'quadruple helix' DNA discovered

60 years after scientists first described the 鈥渄ouble helix鈥� shape of DNA, scientists have found the first quadruple helix -- and it may help prevent cancer's runaway cell proliferation.

October 20, 2015

The kilogram has gained weight

The kilogram may need to go on a diet. The international standard, a cylinder-shaped hunk of metal that defines the fundamental unit of mass, has gained weight from surface contamination.

October 20, 2015

Duh! 12 obvious science findings of 2012

For scientists, an answer to a question, or solution to a problem, is not true until proven so. And sometimes that means revealing what mere mortals already knew.

October 20, 2015

Samsung's Solve for Tomorrow contest inspires students to pursue STEM

Samantha Hoover, 14, said it didn鈥檛 sink in that she would be presenting work she did for a school project at the 2015 Samsung Solve for Tomorrow event in New York City until she stepped on the plane. It was the first visit to the city for the ninth grader from James Campbell High School in Ewa Beach, Hawaii.

October 20, 2015

Something Congress could agree on: Helium

Congress is so mired in gridlock that it couldn鈥檛 agree upon a basic funding bill, resulting in a partial shutdown of government. But helium? Now there's an inert gas this inert Congress can agree on.

February 5, 2015

Celebrity scientists: Stars who love science

These stars were science geeks before they pursued careers in acting.