Architecture imitates life, at least when it comes to those spiral ramps in multistory parking garages. Stacked and connecting parallel levels, the ramps are…
Messenger, transfer, ribosomal… there's more than one type of RNA. The difference lies not only in the sequence of the nucleotides, the “beads” that form the…
Why were dinosaurs covered in a cloak of feathers long before the early bird species Archaeopteryx first attempted flight? Researchers from the University of…
The Swainson's warbler (Limnothlypis swainsonii) is one of the rarest and most secretive songbirds in North America, prized by birdwatchers in the southeastern…
Enzymes like PRC1 turn on or turn off the activity of genes in a cell by manipulating individual chromosome units called nucleosomes. “The nucleosome is a key…
A meta-analysis combining the results of several pharmacogenomic studies and involving over 40,000 research subjects now makes it possible to demonstrate a…
Some individuals are highly competitive and eager to get access to high-quality resources, while others seem to avoid competition, instead making prudent use…
In addition to their song, songbirds also have an extensive repertoire of calls. While the species-specific song must be learned as a young bird, most calls…
They also have identified a plant defensive compound that might mimic DEET, a discovery that could pave the way for better and more affordable insect…
Nitrogen is an essential component of all living systems, playing important roles in everything from proteins and nucleic acids to vitamins. It is the most…
In a new study, biologists at the University of Vermont have discovered some queen ants that make sexual bondage into a life and death fight.
For twenty years some of the world's most damaging pest fruit flies have been almost impossible to distinguish from each other. The ability to identify pests…
While neurons rapidly propagate information in their interior via electrical signals, they communicate with each other at special contact points known as the…
For decades, honeybees have been battling a deadly disease that kills off their babies (larvae) and leads to hive collapse. It’s called American Foulbrood and…
The Asian tiger mosquito (Aedes albopictus), which is native to Southeast Asia, was spotted in Houston in 1985. By 1986 it had reached St. Louis and…
In the on-going effort to develop advanced biofuels as a clean, green and sustainable source of liquid transportation fuels, researchers at the U.S. Department…
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