"I was so moved when I saw the cells stir," said 90-year-old study co-author Akira Iritani. "I'd been hoping for this for 20 years."
- The team managed to stimulate nucleus-like structures to perform some biological processes, but not cell division.
- Unless better technology and DNA samples emerge in the future, it's unlikely that scientists will be able to clone a woolly mammoth.
- Still, studying the DNA of woolly mammoths provides valuable insights into the genetic adaptations that allowed them to survive in unique environments.
Recently, "the London patient" became the second person in history to be cured of HIV. Now, "the Düsseldorf patient" appears to be the third, with the possibility of more on the way.
- Timothy Brown became the first person to be cured of HIV in 2007.
- Recently, it's been reported that a patient known as "the London patient" has also lost any trace of the HIV virus in their system.
- Now, a third patient appears to be in HIV remission known as "the Düsseldorf patient."
How important is it to consider a romantic partner's genetic profile before getting married?
The brains of two genetically edited babies born last year in China might have enhanced memory and cognition, but that doesn't mean the scientific community is pleased.
- In November, Chinese scientist He Jiankui reported that he'd used the CRISPR tool to edit the embryos of two girls.
- He deleted a gene called CCR5, which allows humans to contract HIV, the virus which causes AIDS.
- In addition to blocking AIDS, deleting this gene might also have positive effects on memory and cognition. Still, virtually all scientists say we're not ready to use gene-editing technology on babies.
Are these two laws universal throughout nature?
- Zipf's law of abbreviation and Menzerath's law seem to govern not just human speech but chimpanzee gestures.
- Fifty-eight individual chimp gestures were catalogued in a new study.
- Their presence points to an intriguing overlap between language and genetic chemistry.
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