Researchers use ancient gene to study virus biology
Researchers at the University of Delaware have discovered that an ancient gene—ribonucleotide reductase (RNR), which occurs in all cellular life—provides important biological insights into the characteristics ...
New theorem determines the age distribution of populations from fruit flies to humans
The initial motivation was to estimate the age structure of a fruit fly population, the result a fundamental theorem that can help determine the age distribution of essentially any group.
Amphibians being wiped out by emerging viruses
Scientists tracing the real-time impact of viruses in the wild have found that entire amphibian communities are being killed off by closely related viruses introduced to mountainous areas of northern Spain.
Zoos exonerated in baby elephant deaths; Data support new branch of herpesvirus family
Elephants are among the most intelligent non-humans, arguably on par with chimps, but both African and Asian elephants—separate species—are endangered. In 1995, 16-month old Kumari, the first Asian elephant ...
Plants prepackage beneficial microbes in their seeds
Plants have a symbiotic relationship with certain bacteria. These 'commensal' bacteria help the pants extract nutrients and defend against invaders – an important step in preventing pathogens from contaminating fruits and ...