Tech 

What It’s Prefer to Be First to Fly a Model New Spacecraft

Later this week, NASA astronauts Bob Behnken and Doug Hurley are anticipated to launch on SpaceX’s Crew Dragon capsule to the Worldwide House Station. If the mission is profitable, the capsule will change into solely the fifth American spacecraft in historical past to be certified for human spaceflight. This can make Behnken and Hurley the most recent members of an unique membership of simply seven spacecraft check pilots. The final time People boarded a spacecraft for the primary time was in 1981, when NASA astronauts John Younger and Robert Crippen…

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Examine of fruit fly ties sensory neurons to regulation of sleep-wake cycle — ScienceDaily

Winter could also be behind us, however do you keep in mind the problem of waking up on these chilly, darkish days? Temperature impacts the habits of practically all dwelling creatures, however there’s nonetheless a lot to study in regards to the hyperlink between sensory neurons and neurons controlling the sleep-wake cycle. Northwestern College neurobiologists have uncovered a clue to what’s behind this habits. In a examine of the fruit fly, the researchers have recognized a “thermometer” circuit that relays details about exterior chilly temperature from the fly antenna to…

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Asteroid 1998 OR2 to soundly fly previous Earth this week — ScienceDaily

A big near-Earth asteroid will safely move by our planet on Wednesday morning, offering astronomers with an distinctive alternative to review the 1.5-mile-wide (2-kilometer-wide) object in nice element. The asteroid, known as 1998 OR2, will make its closest strategy at 5:55 a.m. EDT (2:55 a.m. PDT). Whereas this is named a “shut strategy” by astronomers, it is nonetheless very distant: The asteroid will get no nearer than about 3.9 million miles (6.Three million kilometers), passing greater than 16 instances farther away than the Moon. Asteroid 1998 OR2 was found by…

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