Life
We summarize the week's scientific breakthroughs every Thursday.
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- Humans
Seeking genetic fate
Personal genomics companies offer forecasts of disease risk, but the science behind the packaging is still evolving.
- Life
Mosquito fish count comrades to stay alive
New experiments indicate that mosquito fish can count small numbers of companions swimming in different groups, an ability that apparently evolved to assist these fish in avoiding predators.
- Health & Medicine
A role for Merkels
Mysterious skin cells known as Merkel cells are required to sense light touches.
- Paleontology
Bird in the hand
Fossilized fingers strengthen evolutionary link between dinosaurs and avian relatives.
- Life
Estrogen may reprogram prostate cancer gene in black men
Study finds a lack of chemical tags near a prostate cancer gene in African American males.
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- Health & Medicine
Replacing microRNA for cancer treatment
Replacing missing microRNAs in cancer cells may open up a new field for cancer treatment.
- Health & Medicine
Stressed-out DNA turns mousy brown hair gray
Scientists show how change happens when cells responsible for colorful hair lose their self-renewing abilities.
- Life
Hummingbird pulls Top Gun stunts
Male hummingbirds set record for extreme plunges out of the sky.
- Physics
Friction gives snakes a smooth slither
Combination of friction and push propels snakes forward on flat surfaces.
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