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Airs Wednesday, June 17, 2015 at 10 p.m. on KPBS TV

The computer giant says it has produced a prototype of transistors that are just 7 nanometers wide, half the width of the smallest ones currently used.

A federal task force expanded the list of recommended colorectal cancer screening tests. Here's the lowdown on the tests and how they might be covered now and in the future by health insurance.

Delegates from nearly 200 countries will continue to talk past the original Friday night deadline, and hope to have an agreement Saturday. Conflicts over money and oversight remain as sticking points.

Good CPR requires 100 to 120 chest compressions per minute. If you go too fast or too slow it's not as effective. Researchers say using a metronome helps medical providers maintain the right pace.

Researchers who helped develop powerful techniques warn that tweaking the genome is now easy. More public debate's needed, they say, before making changes in genes passed from parent to child.

Any day now, the FDA could announce a final rule aimed at removing much of the remaining trans fats out of the food supply. It could amount to a near ban on the fats, which wreak cardiovascular havoc.

Cider made from perry pears is delicious - it rivals apple cider, but is sweeter. Long revered in England and Normandy, France (Napoleon was a fan), perry is now getting its due in the U.S.

Prompted by a letter signed by more than 20 academy members of Asian descent, the academy apologized Tuesday for offensive jokes about Asians during the awards ceremony, but for some it came up short.

The Revenant has a dozen nominations, followed by Mad Max: Fury Road with 10, and The Martian with seven. The winners will be announced on Feb. 28.