05/05/2021

A material keyboard made of graphene

Researchers at ETH Zurich have succeeded in turning specially prepared graphene flakes either into insulators or into superconductors by applying an electric voltage. This technique even works locally, meaning that in the ...

Work-refusal safety laws serve employees poorly during pandemic

A new paper from a University of Illinois Urbana-Champaign expert in labor law shows that current work-refusal laws are out-of-step with modern workplaces and provided meager benefits to employees who have refused to work ...

Quasi-periodic oscillation detected in Cygnus X-1

Using the Hard X-ray Modulation Telescope (HXMT), astronomers from Shanghai Astronomical Observatory in China have detected a low frequency, quasi-periodic oscillation in a black hole high mass X-ray binary known as Cygnus ...

Elegant constrictions in a cellular kill switch

The inner workings of a "self-destruct switch" present on human cells that can be activated during an immune response have been revealed. In unprecedented detail, KAUST scientists with collaborators in China report the 3D ...

Coral fights back against crown of thorns starfish

Coral can fight back against attacking juvenile crown of thorns starfish—using stinging cells to injure and even kill, showing that coral are not as passive as people may think.

page 8 from 12