The trailblazing Harvard scientist, who documented the dominance of hydrogen and helium in stars, is still inspiring ...

The rate of stars going supernova near Earth appears to match two mass extinctions -- 372 million years ago and 445 million ...

It took centuries to grasp the idea of chemical elements as being the bricks of the universe and that out of these building stones all matter is composed. Number of Elements.—From many facts it ...

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Other research had previously explained this increase as resulting from the rise in atmospheric oxygen, “however, our data imply that the delivery of chemical elements into the oceans also played a ...

[2] Spectroscopy involves capturing the light of an object and spreading it out into a spectrum, which allows scientists to identify the chemical elements present in the object via the specific ...

Gold is increasingly being used in nanotechnology. Nanotechnology is useful because it is not restricted to a particular material – any material could in principle be made into a nanomaterial.

These elements, which are the constituents of immense ... unless they are restrained by chemical combination. They then collect around the great centers of attraction constituted by the stars ...

Scientists at Oak Ridge National Laboratory have developed a method that can track chemical changes in molten salt in real ...

Cobalt is a chemical element found in the Earth’s crust that has been used for thousands of years to create blue pigments in everything from jewelry and paints to glass. Today, the element is a key ...

"I was astonished by the unexpected results because they opened a new view on the first phases of galaxy evolution." ...