The oldest trees on Earth

The oldest trees on Earth

High atop the remote, rocky slopes of California’s White Mountains, the harsh conditions make it difficult for life to take root. But for a certain type of tree – and for those who have traveled here to study it – this place is paradise.  These gnarled bristlecone pines are the oldest individual trees in the…

Full Interview: Dr. Anthony Fauci looks back on COVID-19 response

Full Interview: Dr. Anthony Fauci looks back on COVID-19 response

Full Interview: Dr. Anthony Fauci looks back on COVID-19 response – CBS News Watch CBSN Live Dr. Fauci sits down with “Face the Nation” moderator Margaret Brennan for a wide-ranging discussion on the pandemic. Be the first to know Get browser notifications for breaking news, live events, and exclusive reporting. Not Now Turn On Source…

Countries reimpose restrictions as new Omicron COVID variant cases emerge

Countries reimpose restrictions as new Omicron COVID variant cases emerge

Countries reimpose restrictions as new Omicron COVID variant cases emerge – CBS News Watch CBSN Live The emergence of the new Omicron COVID-19 variant has countries reimposing some restrictions to limit the spread. Travel is also being limited once again. Debora Patta has more from South Africa where the variant was first detected. Be the…

How Did Omicron, the New Covid-19 Variant, Get Its Name?

How Did Omicron, the New Covid-19 Variant, Get Its Name?

Markets plunged on Friday, hope of taming the coronavirus dimmed and a new term entered the pandemic lexicon: Omicron. The Covid-19 variant that emerged in South Africa was named after the 15th letter of the Greek alphabet. The naming system, announced by the World Health Organization in May, makes public communication about variants easier and…

The Arctic Ocean Was Invaded by Its Neighbor Earlier Than Anyone Thought

The Arctic Ocean Was Invaded by Its Neighbor Earlier Than Anyone Thought

Arctic. Atlantic. Long ago, the two oceans existed in harmony, with warm and salty Atlantic waters gently flowing into the Arctic. The layered nature of the Arctic — sea ice on top, cool freshwater in the middle and warm, salty water at the bottom — helped hold the boundary between the polar ocean and the…