21/03/2018

Elephant and cow manure for making paper sustainably

It's likely not the first thing you think of when you see elephant dung, but this material turns out to be an excellent source of cellulose for paper manufacturing in countries where trees are scarce, scientists report. And ...

The perfect shot of espresso every time with chemistry

The average American drinks more than three cups of coffee a day, contributing to a $40 billion industry in the U.S. alone, according to the National Coffee Association. But not all coffee is created equal; flavor profiles ...

Evidence that a star disturbed prehistory solar system comets

About 70,000 years ago, during human occupation of the planet, a small, reddish star approached our solar system and gravitationally disturbed comets and asteroids. Astronomers from the Complutense University of Madrid and ...

Physicists made crystal lattice from polaritons

An international research team produced an analog of a solid-body crystal lattice from polaritons, hybrid photon-electron quasiparticles. In the resulting polariton lattice, the energy of certain particles does not depend ...

Monkeys use tools to crack nuts, shuck oysters

Wild macaque monkeys have learned to use tools to crack open nuts and even shuck oysters, researchers said Wednesday, identifying a rare skill-set long thought to be the exclusive party trick of humans and chimps.

Australia to open more marine parks to commercial fishing

Australia recommended opening more of its marine parks, including near the Great Barrier Reef, to commercial fishing Wednesday in a decision slammed as the worst downgrading of a protected area in the world.

page 11 from 12