Новости за 21.02.2017

By slipping a chemical group in between the letters of DNA, scientists have created a tiny electrical switch that could be used in miniscule electronic devices.

Cannibalism is more widespread and "perfectly natural" than you might suspect.

Got snow? NASA’s new SnowEx campaign is taking a closer look at snow, an important source of freshwater for 60 million people in the U.S., and for 1.2 billion people worldwide.

Piranhas are South American fish with razor-sharp teeth and a reputation, somewhat undeserved, for feeding frenzies.

NASA’s Cassini mission discovered active geysers at the south pole of Saturn’s moon and after several flybys it was determined that an ocean lies beneath its icy surface that has the potential to support life.

The city of Thulamela flourished in South Africa between the 13th and 17th centuries. Its inhabitants imported goods from as far away as China.

Across the desert regions of the southwestern United States southward into central Mexico, a feisty little bird called the cactus wren thrives.

Intense rapids turn the lower Congo River into a biodiversity breeding ground.

The story of Copernicus' clash with the Church over the arrangement of heavenly bodies is often painted in black and white, but at the time, philosophy, science and religion were all mixed up.

Some of the smallest known frogs in the world were recently discovered following a five-year survey in India.

Four newly discovered frog species from India are small enough to perch on a thumbnail with room to spare.

The 307-million-year-old Tully monster — a marine animal with hammerhead-like eyes and a pincer-like mouth — was likely a spineless creature, a new study finds.

Laws permitting same-sex marriage may help to reduce teen suicide attempts, a new report suggests.

Actor and singer David Cassidy recently revealed he has dementia, but what exactly does this term mean?

Life expectancy is expected to rise in many countries around the world, but in the United States, that increase is predicted to be smaller than in other countries, a new study finds.

The stolen works include a 1566 edition of Copernicus' book, and early works by Galileo, Isaac Newton and more.

The prehistoric rulers at Chaco Canyon's Pueblo Bonito had their mothers, but not their fathers, to thank for their high positions.

Hundreds of years before Christopher Columbus landed in the New World, a complex society in what is now New Mexico passed down power through its maternal line, a new study finds.

Scientists recently regrew sound-sensing "hair cells" in high volumes to test drugs for hearing loss.