The key reason why the simple act of eating becomes so unappealing in the heat is because the body is working to avoid overheating.

AI can produce the language of care, but therapy depends on a trained human presence that listens, responds and remains accountable.

From airliners to supertankers, GPS has long been invaluable for safe navigation, but its signals can easily be jammed and almost as easily faked. Researchers are racing to develop backups.

Giving that’s associated with the wealthiest Americans – from bequests and foundations to universities and donor-advised funds – fared better than usual.