Venus: Proof of active volcanoes—at last

Venus is almost the same size, mass and density as Earth. So it should be generating heat in its interior (by the decay of radioactive elements) at much the same rate as the Earth does. On Earth, one of the main ways in which ...

Economist examines US debt limit impact

It's not exactly comforting that the United States is running up against its debt limit, as officials announced this week, nor is there immediate cause for concern for the average taxpayer, says University of Michigan economist ...

Measuring times in billionths of a billionth of a second

How fast do electrons inside a molecule move? Well, it is so fast that it takes them just a few attoseconds (a billionth of billionth of a second) to jump from one atom to another. Blink and you missed it—millions of billions ...

Rainwater unsafe to drink due to chemicals: study

Rainwater everywhere on the planet is unsafe to drink due to levels of toxic chemicals known as PFAS that exceed the latest guidelines, according to a new study by Stockholm University scientists.

page 3 from 11