Brazilian scientists produce mini-brains with eyes

Using a new process, a mini-brain develops retinal cells.

  • Mini-brains, or "neural organoids," are at the cutting edge of medical research.
  • This is the first one that's started developing eyes.
  • Stem cells are key to the growing of organoids of various body parts.
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Mind control using sound waves? We ask a scientist how it works.

Oxford University's Antoine Jerusalem explains the art of ultrasound neuromodulation.

At the moment, non-invasive neuromodulation – changing brain activity without the use of surgery – looks poised to usher in a new era of healthcare. Breakthroughs could include the better management of Parkinson's and Alzheimer's disease, reducing the pain of migraines or even reversing cognitive disorders caused by brain injury.

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First gene-edited babies born in China, scientist claims

A Chinese researcher has sparked controversy after claiming to have used gene-editing technology known as CRISPR to help make the world's first genetically modified babies.

(Photo: ANNE-CHRISTINE POUJOULAT/AFP/Getty Images)
  • The claim is unsubstantiated as of yet, but if true it would mark a historic moment in science and ethics.
  • The scientist claims to have edited a gene that controls whether someone can contract HIV.
  • Many say gene-editing is unethical, or that its technology is too premature to be used responsibly.
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On factory farms, the death rate of pig sows is soaring

It's not yet clear why this is happening, but there are plenty of suspects

  • A rise in mortality for factory farm pig sows has growers worried.
  • There are some obvious possible reasons, but studies are underway.
  • Rise in deaths points toward a need for more humane treatment of pigs.
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7 most valuable college majors for the future

The most valuable college majors will prepare students for a world right out a science fiction novel.

Harvard University
  • The future of work is going to require a range of skills learned that take into account cutting edge advancements in technology and science.
  • The most valuable college majors in the future will prepare students for new economies and areas of commerce.
  • Mathematics, engineering and science related educational majors will become an ubiqitous feature of the new job market.
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