Tim Grenda

Stream now with the PBS app + YouTube. We’ve been selectively breeding dogs, crops, and livestock for thousands of years — but to select for resilience in threatened wild species is a new arena. In the case of coral polyps, natural selection shows a promising future for corals able to withstand rising temperatures and resist coral bleaching. So can researchers kick this natural process into high gear fast enough to save coral reefs?

We’ve been selectively breeding dogs, crops, and livestock for thousands of years — but to select for resilience in threatened wild species is a new arena. In the case of coral polyps, natural selection shows a promising future for corals able to withstand rising temperatures and resist coral bleaching. So can researchers kick this natural process into high gear fast enough to save coral reefs?

Stream now with the PBS app + YouTube. Light pollution confuses and disorients seabirds around the globe, luring them towards land — and potentially dangerous situations. However, one Icelandic community has banded together to save lost young puffins.

Light pollution confuses and disorients seabirds around the globe, luring them towards land — and potentially dangerous situations. In the Westman Islands off the southwest coast of Iceland, however, one community has banded together to save lost young puffins.

The Emmy Award-winning journalist joins from Scripps News, where she’s served as a national security correspondent since 2024, while also covering disinformation. She will join the NEWS HOUR on September 15. PBS NEWS HOUR is available to stream with the PBS app and airs Monday - Friday at 7 p.m. on KPBS TV.

Labor unions are trying once again to regulate self-checkout lanes at California stores. This year’s bill waters down a version that died last session, but businesses still warn it will increase costs and lead to consumer frustration.