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Scientists-turned-entrepreneurs are resuscitating the research and development of drugs for neglected diseases. Researchers, administrators and funders should contribute their expertise to help these initiatives — or set up their own.
Digital photography and image-manipulation software allow biologists to tweak their data as never before. But there's a fine line between acceptable enhancements and scientific misconduct. Helen Pearson investigates.
A steady stream of mechanical animals is marching out of the lab into the field. Jonathan Knight tunes in to see how these motorized models can expose what makes real creatures behave the way they do.
The collision of India with Asia causes large earthquakes and active faults along the southern margin of the Himalaya. But has localized erosion by monsoon rains created new faults in the interior of the range?
Glucose output from the liver is tightly regulated by insulin. But insulin holds sway over more than the liver — an unappreciated circuit in glucose control involves the opening of ion channels in the brain.
If a nanoscale gallium arsenide structure is excited with an oscillating magnetic field, superpositions of nuclear spin states can be created and detected electrically. Quantum computing could be the beneficiary.
Neuronal competition helps connections to form in the brain: the branches of less active neurons are more likely to retract — and, it now seems, less likely to grow — than those of their more active neighbours.
