CHICAGO — You might think scientists would have figured out by now the answers to such basic questions as why water droplets splash, why sand castles collapse and what makes shaving cream so creamy.

There is a new standard in town, and it's sort of a big deal. This new standard is the definition of the kilogram, the unit of mass in the SI system—the International System of Units). It replaces the ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Gravity seems like a predictable, even mundane, aspect of existence ...

I find it odd that some people still express skepticism or outright denial of climate change science. Physicists derived one of the fundamental insights into climate change by 1850: Air holds 7% more ...