It's going to be a nasty post-Labor Day sprint to Election Day, as both parties argue that the soul of America is at stake. For Republicans, it's all about trying to stick the culture war to Biden.

A vaccine against the coronavirus needs to keep people from getting very sick and dying. But preventing the spread of the disease is also important, and vaccines delivered by nasal spray may do that.

In 13 U.S. cities this summer, volunteers are capturing detailed measurements that will include the heat index people experience. Cities will use the new heat maps to help cool the hottest spots.

Abe announced he is leaving office before his term ends in 2021 because of poor health. His legacy is controversial and a successor is unclear.