Nicotine is an addictive substance and genetic factors are known to play a role in…
Category: Science
Single-chip laser delivers powerful result
Researchers have made a breakthrough in mid-infrared semiconductor laser technology that combines tunable wavelength emission…
A ‘printing press’ for nanoparticles
Gold nanoparticles have unusual properties, which scientists are seeking to put to use in a…
Portable NIST kit can recover traces of chemical evidence
A chemist at the National Institute of Standards and Technology has developed a portable version…
By the dozen: NASA’s James Webb Space Telescope mirrors
One dozen flight mirrors are now installed on NASA’s James Webb Space Telescope, out of…
Random mutation, protein changes, tied to start of multicellular life
All it took was one mutation more than 600 million years ago. With that random…
Possible strategy against stroke discovered
Scientists have identified the oxygen sensor PHD1 as a potential target for the treatment of…
Slow stem cell division may cause small brains
Researchers have figured out how a developmental disease called microcephaly produces a much smaller brain…
Tweak in gene expression may have helped humans walk upright
Researchers have identified a change in gene expression between humans and primates that may have…
In Arctic winter, marine creatures migrate by the light of the moon
A few months ago, researchers reported the surprising discovery that marine creatures living in one…