President Donald Trump‘s second Oval Office got its big debut Monday, including the return of an Andrew Jackson portrait and the reemergence of the Reagan rug. The rug, which was in place during ...

From these tiny fragments we can glean tidbits of information about our planet's interior. A diamond unearthed in a diamond mine in Botswana is just such a stone. It's riddled with flaws containing ...

Angus was also the first to report on the electrical conductivity of diamond doped with boron.. More information: Intervalence plasmons in boron-doped diamond, Nature Communications (2025). https ...