2,444 results
2,444 results for: mutations
- Genetics
Scorpion’s sting evolved from insects’ defensive proteins
With a single genetic mutation, an insect’s defensive proteins can be transformed into a toxin that gives scorpions their signature sting, a new study shows.
- Life
Mutation makes H5N1 flu lose its grip
Laboratory-added genetic change makes avian influenza unable to bind to bird cells.
- Genetics
Ancient famine-fighting genes can’t explain obesity
Scientists question the long-standing notion that adaptation — specifically the evolution of genes that encourage humans to hold on to fat so they can survive times of famine — has driven the obesity crisis.
- Life
Scorpion genome decoded
An analysis of an arachnid’s DNA reveals how the animal survives its own venom.
- Science & Society
Year in Review: High court rules against gene patents
The justices’ decision opens the way for choices in DNA testing.
- Life
Dangerous Digs
By properly managing a tumor cell’s microenvironment, cancer researchers are making cancer something people live with, not die from.
- Genetics
What your earwax says about your ancestry
Both armpit and ear wax secretions are smellier in Caucasians than in Asians, thanks to a tiny genetic change that differs across ethnic groups.
- Climate
Environmental change may spur growth of ‘rock snot’
A controversial new theory suggests alga that forms rock snot isn’t an invader, but a low-key species native to many rivers.
- Neuroscience
Ten thousand neurons linked to behaviors in fly
By studying the wiggles of 37,780 fly larvae, scientists link specific neurons to 29 distinct behaviors.
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- Health & Medicine
Medicine Nobel goes to cellular transport research
Honor given to three scientists who discovered how machinery moves cargo around cells.
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