News
- Health & Medicine
New gene-therapy techniques show potential
Two technologies for transferring genes, one that uses mobile DNA called transposons and another that uses a weak virus, have proved successful in overcoming genetic disorders in mice.
- Astronomy
Astronomers find evidence of missing matter
Astronomers say they've likely confirmed that half of the hydrogen gas in the universe, which had not been accounted for, resides in relatively nearby reaches of intergalactic space.
- Earth
U.S. smog limit permits subtle lung damage
Ambient concentrations of smog ozone in many regions can cause lungs to leak, potentially compromising the health of even robust people.
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