Cows in a field

SMELL THAT  Breathing in dust from dairy farms could protect kids from developing allergies and asthma. Dried-up cow manure could harbor the bits of bacteria that tell lung cells to calm down when faced with allergens.

Lions attacking cape buffalo

BITE CLUB  Regardless of where an ecosystem is, the predators and prey appear to follow roughly the same rule in their relative rates of increase, a new study says.

New Guinea pottery

HIGHLAND MIX  Pottery fragments (far right) found in New Guinea are more than 3,000 years old, suggesting to researchers that island natives — who also made various stone implements (center and left) — influenced an Asian seafaring culture that spread eastward.

Y dwarf illustration

JUST CHILLIN’  Some brown dwarfs, such as the “Y dwarf” illustrated here, have temperatures at or below room temperature. Y dwarfs were discovered in 2011. 



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