2,463 results
2,463 results for: mutations
- Animals
Some dog breeds may have trouble breathing because of a mutated gene
Norwich terriers don’t have flat snouts, but can suffer the same wheezing as bulldogs. It turns out that a gene mutation tied to swelling could be to blame.
- Genetics
Tweaking one gene with CRISPR switched the way a snail shell spirals
The first gene-edited snails confirm which gene is responsible for the direction of the shell’s spiral.
- Planetary Science
How NASA has kept Apollo moon rocks safe from contamination for 50 years
NASA wouldn’t let our reporter touch the Apollo moon rocks. Here’s why that’s a good thing.
- Life
Bloodthirsty bedbugs have feasted on prey for 100 million years
Research sheds light on the evolutionary history of the bloodsucking bedbugs. The first species evolved at least as early as the Cretaceous, scientists say.
- Life
How emus and ostriches lost the ability to fly
Changes in regulatory DNA, rather than mutations to genes themselves, grounded some birds, a study finds.
- Genetics
A Nobel Prize winner argues banning CRISPR babies won’t work
Human gene editing needs responsible regulation, but a ban isn’t the way to go, says Nobel laureate David Baltimore.
- Health & Medicine
Readers seek answers to stories about shingles, Neandertal spears and more
Readers had questions about Neandertal spears, Earth’s inner core and more.
- Health & Medicine
Treating cystic fibrosis patients before birth could safeguard organs
Starting a cystic fibrosis drug sooner than usual may protect an afflicted child’s lungs, pancreases and reproductive tissue, a study in ferrets hints.
- Genetics
A CRISPR spin-off causes unintended typos in DNA
One type of CRISPR gene editor makes frequent and widespread mistakes, studies in mice and rice reveal.
- Health & Medicine
A second HIV patient has gone into remission after a stem cell transplant
A second person with HIV has gone into remission after receiving blood stem cells from a donor unable to make a protein needed by the virus.
- Life
Readers ponder mitochondria, Neandertal diets, deep sea corals and more
Readers had questions about mitochondrial DNA, Neandertal diets, deep ocean corals and more.
- Animals
A rare, ancient case of bone cancer has been found in a turtle ancestor
A 240-million-year-old fossil reveals the oldest known case of bone cancer in an amniote, a group that includes mammals, birds and reptiles.
