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Health & MedicineMice reveal new, severe form of allergy
Researchers studying an induced condition in mice akin to multiple sclerosis have stumbled across a situation in which mice suffered a severe allergic reaction to injected protein fragments that mimic one their own proteins.
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Roach females pick losers with good scents
Male Tanzanian cockroaches lose fights if they have too much of a particular pheromone, but females find it alluring.
By Susan Milius -
Health & MedicineFat harbors cells that could aid joints
Researchers have found a way to trick fat into generating cartilage.
By Linda Wang -
PhysicsRun-of-the-mill compound becomes superstar
The discovery that simple, common magnesium diboride can conduct electric current without resistance and does so at a surprisingly high temperature has sent physicists racing to understand its properties and to try to improve upon them.