Two delay-and-sum beamformers for 3-D synthetic aperture imaging with row-column addressed arrays are presented. Both beamformers are software implementations for graphics processing unit (GPU) ...

To win multiple golds and then claim first all-around as an individual is amazing. To win the all-around title two years in a row as a gym is spectacular.

Reviews, essays, best sellers and children's books coverage from The New York Times Book Review.

Back in school, when I thought I might want to do this sort of work for a living, naturally I started paying attention to the people who already did: how ...

Explore news and insights on climate change, environment policies, global warming and sustainable practices with The New York Times Climate and Environment section.

Read latest breaking news, updates, and headlines. Leader Post offers information on latest national and international events & more.

David Brooks is a contributing writer at The Atlantic and the author of How to Know a Person: The Art of Seeing Others Deeply and Being Deeply Seen.