Extreme ocean temperatures in the Coral Sea surrounding Australia's Great Barrier Reef hit their highest levels in at least four centuries this year, scientists reported on Wednesday.
Why it matters: Extreme ocean heat can trigger mass coral bleaching events, making coral more vulnerable to heat and other stress.
A ballooning number of spying technologies inside and outside Earth's atmosphere are making military maneuvers and materiel nearly impossible to hide.
Why it matters: Concealment and surprise have long been winning tenets of warfare. But these ever-watching eyes complicate the calculus of what gear to buy, how to move and where to dig in.
Billionaire Mike Bloomberg announced Tuesday that his organization is donating $600 million to four historically Black medical schools.
Why it matters: The four institutions are responsible for graduating roughly half of all Black doctors in the country, but are "significantly underfunded" due to discriminatory practices and less federal and state support, Bloomberg Philanthropies said in a press release.
