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.

computer simulated tornado

CYBER STORM  The 60-kilometer-wide swirling thunderstorm in this simulation spawned the first digitally created long-lived EF5 tornado (bottom, right-center). The 700-meter-wide virtual twister may reveal why some real-life tornadoes linger.

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.

pulsar PSR B1257+12

RARE FIND  The three rocky planets around pulsar PSR B1257+12 (illustrated) were the first confirmed exoplanets. Pulsar-orbiting planets are quite rare, a new survey suggests. 



Science News