How a fake coronavirus sample could help scientists tackle the real thing
When Dr. Soo Khim Chan runs what appears to be a regular virus sample through a COVID-19 test, she knows that if all goes well, it will come back positive. But Chan’s sample isn’t from a COVID-19 patient, and it doesn’t even contain the virus which causes the disease. Instead, she’s using a virus-like nanoparticle called a probe — essentially a fake coronavirus. Although they’re only being used for research purposes at this stage, and were only made in the lab, these probes…
Exact moment of major Arecibo telescope collapse captured on videoSnap. The legendary 1,000-foot-wide Arecibo Observatory's telescope, a giant dish embedded in the verdant Puerto Rico forest, experienced a major collapse on Dec. 1. A 900-ton platform suspended over the observatory fell, destroying much of the already crumbling dish. On Thursday, the U.S. National Science Foundation released footage of the collapse from two different angles: At 10 seconds into the video below, a camera affixed to a control tower captures […]
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