All Stories by John Travis
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From Bone to Brain: Transplanted male bone marrow makes nerve cells in women and girls
Transplanted bone marrow can form new nerve cells in the brains of people.
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Getting Attached: Sugar-protein link joins embryo to Mom
Biologists may have found the molecular handshake that attaches an embryo to the wall of the uterus.
- Health & Medicine
Drug protects mouse eggs from radiation
Mice protected by a drug from radiation-induced sterility have normal offspring.
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Losing Rhythm: Gene mutation causes heart problems
Chinese researchers have for the first time identified a genetic defect that causes atrial fibrillation, a disorder in which the heart's upper chambers beat irregularly and too rapidly.
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A fish’s solution to broken hearts
The zebrafish can regenerate missing heart muscle.
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Breathtaking Science
A small region within the brainstem creates the normal breathing rhythm.
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Showing Some Spine: Imaging of nerve cell branches stirs debate
Two research groups have taken unprecedented, high-resolution images of nerve cells inside the brains of live mice—and come to seemingly contradictory views.
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Showing Some Spine: Imaging of nerve cell branches stirs debate
Two research groups have taken unprecedented, high-resolution images of nerve cells inside the brains of live mice—and come to seemingly contradictory views.
- Health & Medicine
Bilirubin: Both villain and hero?
Bilirubin, which causes jaundice in newborns, may protect against cellular damage.
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Viral enzyme tackles strep throat
An enzyme from viruses that chew up bacteria may be a new kind of antibiotic.
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Life or Death: Immune genes determine outcome of strep infection
Subtle variations among people's immune genes may largely account for radically different outcomes when people get a strep infection.
- Health & Medicine
Gene change linked to poor memory
A subtle change in a gene encoding a brain chemical may give some people better memory skills than others.
