Are lab–grown embryos and human hybrids ethical?

This spring, a U.S. and Chinese team announced that it had successfully grown, for the first time, embryos that included both human and monkey cells.

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In Aldous Huxley's 1932 novel “Brave New World," people aren't born from a mother's womb. Instead, embryos are grown in artificial wombs until they are brought into the world, a process called ectogenesis.
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Discovered: A tiny, glowing, poisonous, singing toadlet

Roughly the size of a thumbnail, this newly discovered toadlet has some anatomical surprises.

Credit: Nunes, et al. / PLOS ONE
  • A new species of "pumpkin toadlet" is discovered skittering along the forest floor in Brazil.
  • It's highly poisonous and brightly colored, and some if its bones glow under UV light.
  • An analysis of the toadlets' chirp song helped scientists establish that it's something new.
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Tarantulas: How 120-million-year-old creatures conquered the globe

A study from Carnegie Mellon University tracks the travels of tarantulas since the Cretaceous period.

Credit: davemhuntphoto/Adobe Stock
  • Scary-looking tarantulas actually prefer to keep to themselves and stay in their burrows.
  • Their sedentary nature makes a puzzle of their presence in so many places around the world.
  • Researchers discover that this is because they've been around a very long time and rode drifting continental land masses to their contemporary positions.
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Mysterious vomiting disease in dogs is due to novel coronavirus

A newly discovered coronavirus — but not the one that causes COVID-19 — has made some dogs very sick.

Photo by Brett Sayles from Pexels
  • A different coronavirus outbreak in late 2019 made many dogs in the UK very ill.
  • The strangeness of the disease led veterinarians to send questionnaires to their peers and pet owners.
  • The findings point toward the need for better systems to identify disease outbreaks in animals.
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Crack the code of your dog's DNA with this affordable genetic testing kit

Find your dog's breed mix, personality and more with a simple cheek swab in this DNA kit.

  • There’s a great deal of information about our canine companions we don’t know.
  • An easy solution exists that allows for quick and painless genetic testing of dogs.
  • For a low price, you can learn crucial information, such as predisposition to certain diseases.
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