Life Sciences

Native Lizards Evolve to Escape Attacks by Fire Ants
Fence lizards rely on camouflage to avoid being eaten. (Credit: Tracy Langkilde, Penn State)
Hair of Tasmanian Tiger Yields Genes of Extinct Species
Thylacinus in Washington D.C. National Zoo, c. 1906. Source: Photograph by E.J. Keller, from the Smithsonian Institution archives (via Wikipedia)
Modified Plants May Yield More Biofuel
Seedlings of transgenic poplar trees in John Carlson's lab. Credit: Greg Grieco, Penn State
Properties of Unusual Virus Revealed in Research
The researchers uncovered clues that may explain how and why a particular virus, called N4, injects an unusual substance — an RNA polymerase protein — into an E. coli bacterial cell. Credit: K.H. Choi and J.D. Hayden, Penn State
Scientists Sequence Woolly-Mammoth Genome
Penn State University genomicists Webb Miller and Stephan C. Schuster, in front of the Roche / 454 Life Sciences' Genome Sequencer 20 System that was used to sequence mammoth mitochondrial DNA from the hair of 10 woolly mammoths. Credit: Lynn Tomsho, Penn State
C.I. Noll Award Presented to Hanna-Rose and Hopkins
Researchers Shed Light on Evolution of Gene Regulation
The team of scientists used red blood cells from a mouse to study the mechanisms of gene regulation. The research is expected to help in the development of new therapies to treat people who suffer from sickle-cell anemia and other blood disorders. Credit: Wikipedia Commons (Public Domain)
Probing Question: What is a Molecular Clock
Global Warming Link to Amphibian Declines in Doubt
Penn State Receives New NASA Astrobiology Grant
Subscribe to Life Sciences