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One of the main causes of infertility in men is low sperm motility. That is to say, the sperm are present and alive, but they have the swimming prowess of a toddler that’s afraid to lose its water wings.

In short, they just aren’t fast enough to reach the egg.

It’s hard to fault them, I can’t get to the front door fast enough for the FedEx guy not to leave my package in the bushes these days.

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Y-3 in space! We officially announce our partnership with Virgin Galactic to create their future pilot flight-suits.

A pioneering spirit and dedication to pushing the boundaries of possibility- Y-3 announce a space-apparel partnership with Virgin Galactic.We have been developing the intersection of fashion and space, underpinned by a shared approach to design and innovation, as they create apparel system for the world’s first commercial spaceline.

The prototype pilot flight-suit and boot was unveiled at Spaceport America in New Mexico, home to Virgin Galactic’s Gateway to Space terminal.

The Y-3 design team has paired the adidas brand’s technical know-how and Y-3’s directional approach to style with the use of advanced fabrics, special techniques and bespoke specifications to ensure fit, comfort and performance. This flight-suit is being designed to fully support a pilot’s natural seating position as identified through a series of tests and trials with the Virgin Galactic pilot corps. Material engineering is key, as the flight-suit has been constructed from Nomex Meta Aramid materials through a 3D engineered pattern.

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The carcass was remarkably well preserved, but something was clearly wrong. A rounded hole through the interior jugal. Deep incisions along the ribs. Dents in the left scapula. A broken mandible.

This 45,000 year-old mammoth’s life ended violently at the hands of hunters. That wouldn’t be surprising—it’s well known that Pleistocene humans were expert mammoth killers—but for the location. It was excavated from a permafrost embankment at Yenisei bay, a remote spot in central Siberia where a massive river empties into the Arctic Ocean.

That makes this brutalized mammoth the oldest evidence for human expansion into the high Arctic by a wide margin. Its discovery, published today in Science, might push back the timeline for when humans entered the northernmost reaches of the world—including the first entries into North America.

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An international team of astrophysicists has discovered the brightest supernova yet, briefly blazing fifty times brighter than the entire Milky Way galaxy. It’s a strange new way for stars to die.

As described in a new paper in Science, this spectacularly extravagant stellar explosion— part of a classification known as super luminous supernovae —may give us a peek into the death of stars from near the beginning of the Universe, helping unravel the secrets of early stellar evolution. It’s been named ASAS-SN-15lh.

Humans have been spotting the suddenly-bright pinpricks of stars violently exploding in the night sky for thousands of years, with some records even telling of the rapid appearance and disappearance of stars so bright they can be seen by the naked eye even during in the day. Superluminous supernova kick it up a notch, shining a hundred to a thousand times brighter than a normal nova.

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