News
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ChemistryA crystal takes on an unusual topology
A single crystal exhibits the unusual topology known as a Möbius strip.
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Health & MedicineNew clue stirs up lithium mystery
Lithium and two other mood-stabilizing drugs may all work by depleting nerve cells of a chemical that the cells use to signal each other.
By John Travis -
TechTiny rockets may advance minisatellites
A new type of miniaturized rocket may bring microspacecraft one step closer to reality.
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Health & MedicineDrug cuts risk of seizures in pregnancy
An inexpensive drug treatment lessens the risk of seizures that sometimes strike and even kill women during pregnancy or immediately after delivery.