As other social networks double down on e-commerce, Twitter is throwing its hat in the ring.

The mesh-like fossil would push back the oldest known animal on Earth by more than 300 million years. But like many claims of very old life, the study is kicking up lively debate.

Over several weeks, we put the 11 top-rated knife sets to the test. We chopped. We diced. We sliced. We minced. We trimmed. We peeled. We cored. In the end, we came up with three winners any home chef would find to be — er — a cut above the rest.

SAN RAMON, Calif. (AP) — Google is postponing a return to the office for most workers until mid-October and rolling out a policy that will eventually require everyone to be vaccinated once its sprawling campuses are fully reopened in an attempt to fight...

New York state plans to mandate all state employees be vaccinated or get tested regularly in an effort to stem a surge of cases linked to the contagious delta variant of the Covid-19 virus.