Chemical-intensive farming good for soil?
Ancestors of vertebrates did not have a brain
Atmospheric scientist V Ramanathan on brown clouds
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Sleep aids in learning and memory
Science puts fruit flies to bed
Deformations in upper Shivaliks help predict earthquakes
AIDS came to US from Haiti say researchers from University of Arizona
Gold salts to treat arthritis
Vitamin C used to assemble gold, silver and platinum nanoparticles
Malaria vaccine fails to protect people in Mali
Sleep deprivation affects brain cell growth
Over production of enzyme triggers dengue
Geologists get new tool to manage multiple data
Nanoparticles make bone implant long lasting
Decoding antibiotic resistance in bacteria
Giant frog links South America, Madagascar
Low-volt chip for longer cell phone battery life
Appearances can be deceptive
183 bird species have moved to higher threat category