News
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Health & MedicineLow Radiation Hurts Bystander Cells
New research confirms that alpha particles from decaying radon atoms can damage neighboring cells they don't directly hit and suggests a mechanism for this so-called bystander effect.
By Ben Harder -
Beer-flavoring compounds guide insects
The class of compounds that give beer its bitterness does two more sober jobs in Hypericum flowers.
By Susan Milius -
Africanized bees rescue loner trees
Africanized bees pollinate some of the big Brazilian forest trees now stranded in the middle of cleared land away from their native pollinators.
By Susan Milius -
PhysicsShortest transistor makes its debut
A novel type of single-molecule transistor built around a one-molecule-thick layer of organic molecules may eventually lead to faster, denser chips because the channel through which electrons flow is so short.