Barron's TOEFL C-3

A harried park system, pressured by federal funding cuts and urban development, now faces hungry bears. Heat and dryness is killing the core of the bears' diet, making them desperate.

Brain lateralization, the distribution of function into right and left hemispheres, is crucial for understanding language, thought, and memory.

A seven-foot evergreen will bear 350,000 needles, more or less. The Christmas tree industry is funding research to make sure that precious few end up on the floor, by cultivating a tree with perfect needle retention.

One half of shark attacks are attributable to great whites. New research finds that great whites, who are naturally curious, are "sample biting" and then releasing their victims rather than hunting humans.