01/12/2021

The point of no return: Chromatin enforces cell fate decisions

Stem cells balance self-renewal with differentiation into mature cells. A fundamental and intriguing question is when during the process of maturation a cell reaches a "point of no return," losing its capacity to self-renew ...

Get to know the gang-gang cockatoo

They are the faunal emblem of the Australian Capital Territory, but enthusiasm for the gang-gang cockatoo stretches far beyond the Canberra bubble.

Researchers develop nanometer-scale adaptive transistor

Normally, computer chips consist of electronic components that always do the same thing. In the future, however, more flexibility will be possible: New types of adaptive transistors can be switched in a flash, so that they ...

Mysterious clouds could offer new clues on dark matter

The hunt for gravitational waves, ripples in space and time caused by major cosmic cataclysms, could help solve one of the Universe's other burning mysteries—boson clouds and whether they are a leading contender for dark ...

UN migration agency: COVID has 'radically altered' mobility

The U.N. migration agency says the coronavirus pandemic appears to have accelerated "hostile rhetoric" against migrants in the world and "radically altered" mobility, projecting in a new report that travel and other COVID-19-fighting ...

CT uncovers bone disease in Tyrannosaurus rex jaw

Researchers in Germany identified bone disease in the fossilized jaw of a Tyrannosaurus rex using a CT-based, nondestructive imaging approach, according to a study being presented today at the annual meeting of the Radiological ...

Peru archeologists find mummy up to 1,200 years old

Archeologists in Peru working on a site in the outskirts of the capital Lima have unearthed a mummy believed to be between 800 and 1,200 years old—and, surprisingly, bound with rope.

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