World / Social Issues Sep 6, 2019

Women hold 1 in 5 top science and tech jobs, study finds

Women hold 1 in 5 top jobs in science, technology, maths and engineering globally, which slows down innovation, a study of research institutions said on Thursday. While women made up more than 50 percent of higher education students in those subjects — known collectively as ...

The atomic beauty of the new kilogram

Commentary / World May 25, 2019

The atomic beauty of the new kilogram

by Faye Flam

Last week the kilogram got a new definition — one that rests on a quantity of light. The old kilogram was defined by a platinum cylinder kept in a vault in Paris, and at first glance, that system might seem more intuitive, but it ...