(AP)
There’s a lag between when people consume the parasite and when symptoms appear, making it tough for those infected to remember what they ate to pinpoint the problem.
By Lena H. Sun
(The Washington Post)
A key zone of the Pacific Ocean is already at record warmth. See how rising sea temperatures could impact global weather. These forecasts will be updated regularly.
By Ben Noll and John Muyskens
Get a curated selection of 10 of our best stories in your inbox every Saturday.