Life Sciences

Massive Duplication of Genes May Solve Darwin's "Abominable Mystery" about Flowering Plants
The yellow water lily (Nuphar advena) shows evidence of an ancient genome duplication that may have been a key event in the evolution of flowering plants.Photographs by Yi Hu, Penn State Eberly College of Science Department of Biology.
Two Milky Way Companion Galaxies Discovered
The Constellation Bootes
Undersea Microbes Active but Living on the Slow Side
Shining a Light on Deep-Sea Vents: Science Meets Policy InterRidge to Unveil Responsible Research Statement at Upcoming AAAS Session
Brisingid sea stars in the Lau Basin / South Pacific vent system. Credit: "Ridge 2000" Lau expedition, taken with Jason II in 2005
Unified Physics Theory Explains Animals' Running, Flying, Swimming
Fish
Scientists Narrow the Time Limits for the Human and Chimpanzee Split
Our closest animal relative is not so far away. Chimpanzees diverged from humans only 5-7 million years ago according to a newly released study of gene sequences. Credit: Anne Fischer, Max Plank-Institute for Evolutionary Anthropology
Scientists Sequence DNA of Woolly Mammoth
Large numbers of tusks in the permafrost museum in Khatanga demonstrate the abundance mammoth once had in the Northern hemisphere. Credit: Debi Poinar, McMaster University
Eberly College of Science Student Marshal Chosen
Genealogy of Scaly Reptiles Rewritten by New Research
© Eladio Fernandez 2005 Looks can be deceiving: New gene study redraws family tree of lizards and puts primitive-looking iguanas (shown here) and relatives at the top instead of bottom of the tree.
Eberly College of Science Co-op Student of the Year Named
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