Caffeine-producing plants use three different biochemical pathways and two different enzyme families to make the same molecule.
July 1, 2015|
July 2015's selection of notable quotes
June 25, 2015|
Researchers have found the New Guinea flatworm, one of the world’s most invasive species, in Florida, putting native ecosystems at serious risk.
June 15, 2015|
The US Fish and Wildlife Service moves captive chimpanzees under the umbrella of federal protection that covers their wild counterparts.
June 11, 2015|
With the deletion of a single gene, female Japanese rice fish can produce sperm.
May 13, 2015|
Researchers tweak gene expression in chicken embryos that may have been crucial to the evolutionary transition from dinosaur noses to bird bills.
May 3, 2015|
Species die-offs are expected to accelerate as greenhouse gases accumulate, according to a meta-analysis.
April 24, 2015|
One study shows the insects prefer food laced with pesticides, while another adds to the evidence that the chemicals are harmful to some pollinators.
April 22, 2015|
A New York Supreme Court judge has ordered university officials to defend their custody of two chimpanzees used in research.
April 21, 2015|
A retrovirus embedded in the human genome may help protect embryos from other viruses, and influence fetal development.