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How Squids and Octopuses Get Their Big Brains – Neuroscience News

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Summary: The neural stem cells of cephalopods act similarly to those of vertebrates during the development of the nervous system. Source: Harvard Cephalopods – which include octopus, squid and their cousins ​​the cuttlefish – are capable of some truly charismatic behaviors. They can quickly process information to transform shape, color and even texture, blending into …

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Stomach Pain Crohns Bowel Diarrhea

Scientists find that gay men are twice as likely to get the disease

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The study found that 0.8% of same-sex patients who engaged in high-risk sexual activity had been diagnosed with Crohn’s disease, while only 0.49 heterosexual men who engaged in high-risk sexual activity had Crohn’s disease. The research will enable the development of individualized precision medicine for the management of inflammatory bowel disease in this underrepresented minority …

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A single Hubble image captured a supernova at three different times

A single Hubble image captured a supernova at three different times

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Enlarge / On the left, the full Hubble image. On the right, various images of the gravitationally lensed object. NASA, ESA, STScI, Wenlei Chen, Patrick Kelly Over the past few decades, we have gotten much better at observing supernovae as they occur. Orbiting telescopes can now pick up emitted high-energy photons and determine their source, …

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The heat shield that could land humans on Mars is hitchhiking in space | CNN

The heat shield that could land humans on Mars is hitchhiking in space | CNN

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Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific advancements and more. CNN — When a polar satellite designed to improve weather forecasting was launched early Thursday, an experimental heat shield followed. It could land humans on Mars. The two separate missions were both launched aboard a …

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NASA Inflatable Heat Shield Survives Atmospheric Fire Test - IGN

NASA Inflatable Heat Shield Survives Atmospheric Fire Test – IGN

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NASA has successfully flown an inflatable heat shield into Earth’s atmosphere, part of a technology demonstration that could one day help land spacecraft safely on the surface of Mars and beyond. Since the advent of manned spaceflight, scientists and engineers have grappled with the inherent dangers of atmospheric re-entry. Without sufficient protection, the extreme aerodynamic …

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Scientists find evidence of what could be Earth's first mass animal extinction

Scientists find evidence of what could be Earth’s first mass animal extinction

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Since the Cambrian Explosion 538.8 million years ago – a time when many of the animal phyla we know today were established – five major mass extinction events have reduced the biodiversity of all creatures, large and small. American researchers have discovered evidence of an earlier event, around 550 million years ago, during a period …

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rtwork depicting a tidal disruption event (TDE). TDEs are causes when a star passes close to a supermassive black hole and get torn apart by the gravity of the latter. The debris forms a fan-shaped pattern around the black hole before eventually falling in.

Black hole announces itself to astronomers by violently tearing apart a star

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A previously unknown black hole announced its presence to astronomers when it tore apart and devoured a star that wandered too close to it. The intermediate-mass black hole located in a dwarf galaxy a million light-years from Earth shredded the star in an event astronomers call a tidal disturbance event (TDE). The TDE became visible …

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