Genetics
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Humans
Human embryo replicas have gotten more complex. Here’s what you need to know
Lab-engineered human embryo models created from stem cells provide a look at development beyond the first week. But they raise ethical questions.
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Archaeology
How Asia’s first nomadic empire broke the rules of imperial expansion
New studies reveal clues to how mobile rulers assembled a multiethnic empire of herders known as the Xiongnu more than 2,000 years ago.
By Bruce Bower -
Genetics
The first gene therapy for muscular dystrophy has been approved for some kids
The U.S. Food and Drug Administration cleared a shortened version of a gene for a muscle protein to be used in 4- and 5-year-olds with muscular dystrophy.
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Genetics
Daphne Martschenko is a champion for ethical, inclusive genomics research
A bioethicist focused on the genomics revolution, Daphne Martschenko fosters open discussion through “adversarial collaboration”
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Animals
DNA has revealed the origin of this giant ‘mystery’ gecko
A genetic analysis of a 19th century museum specimen, the only known example of the planet’s biggest gecko, has rewritten the animal’s backstory.
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Animals
Octopuses and squid are masters of RNA editing while leaving DNA intact
Modifications to RNA could explain the intelligence and flexibility of shell-less cephalopods.
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Neuroscience
A rare mutation helped one man stave off Alzheimer’s for decades
The brain of a Colombian man with an inherited form of Alzheimer’s may hint at ways to halt or slow the progression of the disease.
By Simon Makin -
Life
The new human pangenome could help unveil the biology of everyone
The deciphered DNA includes never-before-explored parts of the genome and better represents the genetic diversity of all humans.
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Life
Swarming locusts can deploy a chemical to avoid being cannibalized
Releasing a “don’t-eat-me” pheromone signals a locust has become a toxic treat. The finding could lead to new ways to control destructive swarms.
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Genetics
Here are 5 cool findings from a massive project on 240 mammal genomes
A new series of studies on mammal genetics is helping scientists start to answer questions about evolution, cancer and even what makes us human.
By Meghan Rosen -
Genetics
What was Rosalind Franklin’s true role in the discovery of DNA’s double helix?
Two researchers say that Rosalind Franklin knowingly collaborated with James Watson and Francis Crick to discover the molecular structure of DNA.
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Animals
Urchins are dying off across the Caribbean. Scientists now know why
A type of single-celled microorganism associated with coral diseases is behind a sea urchin die-off in the Caribbean.
By Anna Gibbs