Democratic presidential contenders battled over healthcare coverage during their first debate on Wednesday, reflecting the party's divisions on whether to abolish private insurance and shift to a Medicare-for-All system.
Inter-Korea commercial projects that can channel millions of dollars a year to Pyongyang may be used as leverage to boost talks on ending poor and isolated North Korea's nuclear program, the South's point man on the North said on Thursday.
Coral reefs face many challenges to their survival, including the global acidification of seawater as a result of rising carbon dioxide levels in the atmosphere. A new study shows that at least three Caribbean coral species can survive and grow under conditions of ocean acidification more severe than those expected to occur during this century, although the […]
Instead of the typical bell-shaped curve, the fossil record shows a fat-tailed distribution, with extreme, outlier, events occurring with higher-than-expected probability. Using the same mathematical tools that describe stock market crashes, scientists explain the evolutionary dynamics that give rise to universal patterns in the fossil record.
Viruses in managed honeybees are spilling over to wild bumblebee populations though the shared use of flowers, a first-of-its-kind study reveals. This research suggests commercial apiaries may need to be kept away from areas where there are vulnerable native pollinator species, like the endangered rusty patched bumblebee.