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Giraffes eye a smorgasbord of Acacia at the Mpala Research Centre in Kenya. Large herbivores such as giraffes are key to maintaining a mutually beneficial relationship between ants and Acacia in an East African ecosystem.
CHINESE UNIVERSITIES: Gunning for the Ivy League
As they strive to become world-class educational institutions, China's universities must overcome a host of impediments, from antiquated curricula to mounting debt.
Widespread Triggering of Nonvolcanic Tremor in California
A large Alaskan earthquake triggered tremors along the San Andreas and other strike-slip faults in California, showing that this process is not specific to subduction zones.
Stellar Feedback in Dwarf Galaxy Formation
Simulations show that stellar winds and material expelled from supernovae alter the gravitational potential of dwarf galaxies, perhaps explaining their dark matter cores.
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