Live Science on MSN

'Like trying to see fog in the dark': How strange pulses of energy are helping scientists build the ultimate map of the universe

Astronomers are using radio pulses from space to find missing baryonic matter and learn about supermassive black holes, ...

New approach improves accuracy of quantum chemistry simulations using machine learning

A new trick for modeling molecules with quantum accuracy takes a step toward revealing the equation at the center of a ...
Astronomy on MSN

How is the total mass of the universe calculated?

Astronomers use many methods to determine this number, including gravitational lensing, the universe’s expansion rate, and more.
IEEE Spectrum on MSN

How to Measure Nothing Better

Cold atoms could also potentially measure much lower vacuum pressures than ion gauges can. The current lowest pressure they’ve reliably measured is around 10 -9 Pa, and NIST scientists are working on ...
Investopedia

Median: What It Is and How to Calculate It, With Examples

Vikki Velasquez is a researcher and writer who has managed, coordinated, and directed various community and nonprofit organizations. She has conducted in-depth research on social and economic issues ...
Smithsonian Magazine on MSN

Paleontologists Directly Date Dinosaur Eggs for the First Time, Shedding Light on the Cretaceous World 85 Million Years Ago

Using uranium-lead dating, researchers calculated the age of the eggs, rather than the sediments around them, at the ...
BBC

Atomic number and mass number

For example, the atomic number of chlorine is 17. Every chlorine atom has 17 protons and 17 electrons. It has 17 positive charges and 17 negative charges, meaning that it is neutral overall. Atoms of ...