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Gender Gap: Parasites’ bias for big animals gives female mammals longevity
Parasites infect male mammals more often than females, possibly contributing to the tendency among mammals of males to die earlier than females.
By John Travis -
AnimalsEat the Kids: Are cannibal fish just freshening the O2?
In beaugregory damselfish, males that snack on some of the eggs supposedly in their care may end up benefiting the rest of the egg clutch by making more oxygen available.
By Susan Milius -
ChemistryThe Dirt on Art: Chemists test laser cleanup of paintings
A new experiment shows that lasers can be a safe tool for cleaning paintings.
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Health & MedicineAcetaminophen in Action: Effect on an enzyme may stop pain, lower fever
The discovery of an enzyme scientists are calling cyclooxygenase-3, which is disabled by acetaminophen, might explain why this drug can stop pain and fever but not inflammation.