An attosecond—or 0.000000000000000001 second—is no time at all for a person. That is not so for electrons, atoms and ...

The UN faces growing criticism for its limited role in major conflicts, as Gaza, Iran and Ukraine expose the body's ...

Space ice” contains tiny crystals and is not, as previously assumed, a completely disordered material like liquid water, ...

Many modern devices—from cellphones and computers to electric vehicles and wind turbines—rely on strong magnets made from ...

Even after decades of research, biologists are still uncovering surprises about the human body. A team of researchers from ...

One longstanding problem has sidelined life-saving drugs, stalled next-generation batteries, and kept archaeologists from identifying the origins of ancient artifacts. For more than 100 years, ...

Northwestern University. "Structure dictates effectiveness, safety in nanomedicine." ScienceDaily. ScienceDaily, 25 April 2025. <www.sciencedaily.com / releases / 2025 / 04 / 250425113458.htm>.

Rubies and emeralds are great examples of how a small amount of a transition metal – in this case, chromium – can create a beautiful color in what would otherwise be a fairly boring-looking ...

ConspectusThe electronic properties of atomically thin van der Waals (vdW) materials can be precisely manipulated by vertically stacking them with a controlled offset (for example, a rotational ...

A nuclear plant in western Russia, where fighting is raging between Russian and Ukrainian forces, is especially vulnerable to a serious accident because it lacks a protective dome that could ...

Formula for Atomic Mass Number The calculation of atomic mass is easy. Just add the number of protons and neutrons of an atom to get its atomic mass. Thus, the formula for atomic mass would be ...