The Pyrenean ibex went extinct 21 years ago this month — and then again 3 years laer. By Joseph Wolf – https://www.biodiversitylibrary.org/page/9370240#page/322/mode/1up and http://www.petermaas.nl/extinct/speciesinfo/pyreneanibex.htm, Public Domain, https://commons.wikimedia.org/w/index.php?curid=17631279 21 years ago this month, a wild goat species went extinct — and kicked off a bizarre but ultimately hopeful scientific adventure. The Pyrenean ibex became extinct in
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A melanin-like pigment (far left) can assume a range of colours depending on the specific amino acid added to it. Credit: Ayala Lampel Chemistry 22 January 2021 An adaptation to the body’s pigment formula produces particles that outshine melanin. A laboratory method that mimics how melanin is made in the skin yields pigments in a
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WHO director-general Tedros Adhanom Ghebreyesus is reviewing how the world responded to the early days of the COVID-19 pandemic during an executive board meeting this week.Credit: Fabrice Coffrini/Reuters The World Health Organization (WHO) sounded its highest alarm on 30 January 2020 — a declaration called a ‘public health emergency of international concern’, or PHEIC, signalling
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SARS-CoV-2 variant B.1.1.7 is more lethal than earlier viruses according to a new study getty In December, a new fast-spreading variant of SARS-CoV-2 was reported in Great Britain. There is now evidence that it is more lethal. Today, prime minister Boris Johnson addressed the world with the news. GOV.UKPrime Minister’s statement on coronavirus (COVID-19): 22
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Northrop Grumman’s and L3Harris’ satellite designs were selected from a field of four competitors. WASHINGTON — Northrop Grumman and L3Harris were selected by the Defense Department’s Missile Defense Agency to each build a prototype sensor satellite capable of tracking hypersonic and ballistic missiles. The Missile Defense Agency awarded Northrop Grumman a $155 million contract Jan.
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The triangular holes in this material make it more likely to crack from left to right than vice versa. Credit: N. R. Brodnik et al./Phys. Rev. Lett. Materials science 22 January 2021 Precise engineering generates a structure that fractures more easily in one direction than the other. Researchers have demonstrated a material that is more
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Topline The World Health Organization said Friday that it still recommends the use of the Pfizer-BioNTech Covid-19 shot  with an expert panel it convened finding no evidence implicating it in the deaths of elderly people, after Norway’s medicines authority said there was no certain connection when 23 elderly patients died shortly after receiving the vaccine.
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HELSINKI — French startup ThrustMe has performed the first on-orbit tests of an innovative iodine-fueled electric propulsion system, proving its ability to change a CubeSat’s orbit. ThrustMe’s NPT30-I2-1U, the first iodine electric propulsion system sent into space, is aboard the Beihangkongshi-1, a 12U CubeSat developed by Chinese commercial satellite maker Spacety.  A Long March 6
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Westend61 | Westend61 | Getty Images Four major firms signed a letter of intent Friday to develop a “mega-electrolyser” in the German city of Hamburg that would produce so-called “green” hydrogen. An announcement from the city’s press service said the prospective 100 megawatt (MW) facility would be located on the site of the Moorburg coal-fired
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