feed info

4 articles from Yahoo!

The Coronavirus Is New, but Your Immune System Might Still Recognize It

Eight months ago, the new coronavirus was unknown. But to some of our immune cells, the virus was already something of a familiar foe.A flurry of recent studies has revealed that a large proportion of the population -- 20% to 50% of people in some places -- might harbor immunity assassins called T cells that recognize the new coronavirus despite having never encountered it before.These T cells,...

Plants cropping up in lost Michigan lakes where dams failed

Nature is returning to craters left from lakes drained by two dams that failed in May during torrential rain in mid-Michigan. “Shortly after the water receded, you could look out over the exposed bottom lands of the lake and it was like looking at the Sahara Desert,” said Dave Rothman, a board member with the Four Lakes Task Force, which is looking to obtain the four dams as well as the two...

ULA and SpaceX win shares of future national security launches; Blue Origin loses out

The U.S. Space Force designated United Launch Alliance and SpaceX as the winners of a multibillion-dollar competition for national security launches over a five-year period, passing up a proposal from Amazon CEO Jeff Bezos' Blue Origin space venture in the process. Northrop Grumman and its OmegA rocket also lost out in the Phase II competition for the National Security Space Launch program....