In unvaccinated people, infection with the Omicron variant of SARS-CoV-2 provides little long-term immunity against other variants, according to a new study by researchers at Gladstone Institutes and UC San Francisco (UCSF), published today in the journal Nature.

An underwater volcano that erupted in the South Pacific in January sent a 300-mile-wide plume of ash some 25 miles above the surface, generated a tsunami that injured and killed people thousands of miles away along the coasts of North and South America, produced a sonic boom that was heard 6,000 miles away in Alaska, and created atmospheric shock waves that circled Earth several times.

Most Americans say they want a more equal society, yet policies aimed at increasing equality for disadvantaged groups in higher education, corporations, government, and elsewhere continue to generate backlash.