Life
- Life
Four marmosets are first transgenic primates
Scientists in Japan have successfully introduced a foreign gene into a primate species for the first time, opening a new avenue for modeling human diseases, particularly brain disorders.
- Life
The case of the disappearing fingerprints
One potential side effect of an anti-cancer drug: identity theft.
By Janet Raloff - Life
Trees of stone tell tropical tale
Peruvian petrified forest offers insight into low-latitude conditions of millions of years ago
By Sid Perkins - Life
Ocean’s gazillion
A picture of past ocean life suggests a higher capacity for marine life than what modern habitats host.
By Susan Milius - Life
Genetic analysis of swine flu virus reveals diverse parts
Detailed genetic analysis of the H1N1 swine flu virus indicates that its components have been present for years. The virus is still susceptible to drugs and vaccine development.
- Animals
For some birds, chancy climates mean better singers
In the mockingbird family, the most accomplished musical species tend to live in treacherous climates.
By Susan Milius -
- Life
Life on Earth took a licking, kept on ticking
Earth's early organisms may not have had to restart after a long spell of asteroid impacts.
By Sid Perkins - Paleontology
Ancient fish with killer bite
Dunkleosteus clamped down on prey with three-quarters-of-a-ton bite force.
By Sid Perkins - Life
It’s not their dirty mouths
Komodo dragons kill prey with venom, not oral bacteria, study suggests.
- Life
For blood stem cells, the force is strong
Blood flow boosts production of blood stem cells, two new studies show.
- Chemistry
How RNA got started
Scientists identify chemical reactions that could be responsible for the origin of life.