A new study has revealed that everything we thought we knew about sperm movement was a lie: Those persistent little swimmers don’t wiggle their way towards an egg like a snake, but rather roll around like an otter.
That revelation, published Friday in the journal “Science Advances,” came from scientists at the University of Bristol and the National Autonomous University of Mexico, who reconstructed the movement of a sperm tail using three-dimensional microscopy.
The researchers’ findings go …
SpaceX launches and lands prototype of its Mars rocket Starship in key short flight test – CNBC
The fifth prototype of SpaceX’s next-generation Starship rocket passed its most critical test yet.
The fifth prototype of SpaceX’s next-generation Starship rocket passed its most critical test yet, taking off and landing in a short flight on Tuesday at the company’s facility in Texas.
Starship prototype Serial Number 5, standing at about 100 feet tall, launched gradually and rose to about 500 feet above the ground before returning back to land on a concrete area near the launchpad.
“Progress is accelerating,” SpaceX CEO Elon Musk tweeted after the flight.
SpaceX has a fleet of rockets tha…
Calcium-rich supernova examined with X-rays for first time – Mirage News
Most of the calcium in the universe – including the very calcium in our teeth and bones – was created in the last gasp of dying stars. Called…
Most of the calcium in the universe – including the very calcium in our teeth and bones – was created in the last gasp of dying stars.
Called “calcium-rich supernovae,” these stellar explosions are so rare that astrophysicists have struggled to find and subsequently study them. The nature of these supernovae and their mechanism for creating calcium, therefore, have remained elusive.
Now a Northwestern University-led team has potentially uncovered the true nature of these ra…
Watch SpaceX’s stunning Starship prototype ‘hop’ test flight and landing – Yahoo Finance Australia
SpaceX achieved a big win in their Starship spacecraft development program on Tuesday evening, flying the SN5 prototype of that future vehicle to a height of around 500 feet, propelled by a single Raptor engine. The test, which took place at SpaceX’s rocket…
SpaceX achieved a big win in their Starship spacecraft development program on Tuesday evening, flying the SN5 prototype of that future vehicle to a height of around 500 feet, propelled by a single Raptor engine. The test, which took place at SpaceX’s rocket development and testing facility in Boca Chica, Texas, marks the first time that a full-scale Starship prototype has left the ground.
The company released a video of the whole test, including footage captured both from a drone’s-eye-view, as…
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