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The omicron variant is gaining a foothold in Europe. Scientists say it is spreading faster than delta and can do so even in places where many people are vaccinated. What could this mean for the U.S.?

A new study shows that restoring coral reefs can bring ecosystems back to life — and with them, their sounds.

Saturdays, July 1 - July 28 and Aug. 26 - Oct. 7 and Oct. 21 at 1 p.m. on KPBS TV / On demand with PBS Video App. PROJECT FIRE introduces new foods - from unfamiliar cuts of steak to eco-friendly seafood - and new twists on popular classics, such as entire meals cooked on the grill, from breakfast to paella to clambakes. And, as usual, Steven features a collection of new tools and fuels for the avid griller.

"The Nutcracker" comes to life in a new interactive performance, platform and curriculum with Poway OnStage and Southern California Ballet.

Biden told Putin in a call that if Russia invades Ukraine, the U.S. and allies would apply painful economic sanctions, said Jake Sullivan, Biden's national security adviser.

For the first time in eight years, Ayatollah Ali Khamenei led prayers in Tehran. He threatened the U.S. and indicated there may be more retaliation from Iran's proxies for the killing of a general.

A cultural legend, the great white shark’s reputation as a man-eater is directly linked with the blockbuster story "Jaws." That's something its author Peter Benchley heavily regretted, and spent most of the decades after the book's success trying to overcome. Wendy Benchley, Peter’s wife, called in to give us the rundown on the greatest threats sharks are facing today, and from the National Marine Service in La Jolla, Heidi Dewar explains how the shallow waters of the southern California are a nursery for our protected population. Cover Art Title: "The King" by Nicholas DeNezzo. A woodburned image with acrylic paint highlights on a hand-carved wood shark fin. At nearly 2 feet tall, the fin itself was carved to be the size and shape of that on a full-grown adult white shark. Inspired by a George T. Probst photo (@iphotographsharks on Instagram). DeNezzo is a local artist and marine conservation graduate student at UC San Diego. This piece is part of a larger series focusing on human-shark encounters and efforts to prevent shark bites.

Russia is amassing more than 94,000 troops at the Ukrainian border in what officials in Ukraine call a "large-scale escalation" from Russia that is expected to take place in January.

On the last night of Hanukkah, Chabad Rabbi Zalman Mendelsohn wraps up a busy week. He is currently the only ordained rabbi serving in Wyoming.

In a scheduled video call Tuesday with the Russian president, Biden will outline economic sanctions and stepped-up support for NATO allies if Russia invades, a senior administration official says.