News
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Materials ScienceOxygen sneaks into titanium, making it brittle
Oxygen atoms trigger defects in titanium’s atomic structure, making the metal brittle.
By Beth Mole -
PhysicsTemperatures taken in the realm of the tiny
Aluminum and other materials can serve as their own thermometers at nanometer scales, opening up the possibility of taking the temperature of tiny computer transistors.
By Andrew Grant -
NeuroscienceShots of brain cells restore learning, memory in rats
Scientists healed damage caused to rats’ brains from radiation by injecting cells that replenish the insulation on neurons.
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NeuroscienceWith good timing, experiences can rewire old brains
New experiences can rewire old brains — but the timing has to be just right.