11/08/2021

Robotics

Engineers uncover the secrets of fish fins

Peer into any fishbowl, and you'll see that pet goldfish and guppies have nimble fins. With a few flicks of these appendages, aquarium swimmers can turn in circles, dive deep down or even bob to the surface.

Business

COVID variant causes Southwest to lower hopes for 3Q profit

Southwest Airlines said Wednesday that it no longer expects to turn a profit in the third quarter as a surge in COVID-19 infections fueled by the highly contagious delta variant darkens the outlook for travel.

Consumer & Gadgets

Samsung unveils new foldable smartphones

Samsung is hoping cheaper but more durable versions of its foldable phones will broaden the appeal of a high-concept design that's so far fizzled with consumers.

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