Sex and Sexual Reproduction: What's Morality Got to Do with It?

Harvard bioethicist Glenn Cohen knows in his gut that sex and sexual reproduction are areas of human life that involve moral dilemmas. But when it comes to resolving those dilemmas and taking action, he recognizes the need to "go beyond the gut."

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  • Oumuamua, a quarter-mile long asteroid tumbling through space, is Hawaiian for "scout", or "the first of many".
  • It was given this name because it came from another solar system.
  • Some claimed Oumuamua was an alien technology, but there's no actual evidence for that.

Scientists create a "lifelike" material that has metabolism and can self-reproduce

An innovation may lead to lifelike evolving machines.

Shogo Hamada/Cornell University
Surprising Science
  • Scientists at Cornell University devise a material with 3 key traits of life.
  • The goal for the researchers is not to create life but lifelike machines.
  • The researchers were able to program metabolism into the material's DNA.
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