Worldwide urban expansion causing problems

As cities physically expanded worldwide between 1970 and 2010, the population in those cities became less dense, according to a study led by a Texas A&M university professor.

Males were saved by agriculture

Around 12,000 years ago, settlers in the Fertile Crescent of West Asia domesticated a few wild plant and animal species. The emergence of agriculture is believed to have driven extensive human population growths, because ...

Australian state lists koala as 'vulnerable'

Australia's Queensland state will list the koala as a "vulnerable species" throughout the northeastern region, saying urban expansion, car accidents and dog attacks were threatening the much-loved furry animal.

Beachcombing for early humans in Africa

(Phys.org) —From the earliest modern humans to the present day, our species has evolved dramatically in both biological and behavioural terms. What forces prompted these momentous changes?

Why some species are 'successful' invaders

(Phys.org)—Researchers at the Hawai'i Institute of Marine Biology (HIMB), an organized research unit within the University of Hawai'i at Mānoa's School of Ocean and Earth Science and Technology, have made a remarkable ...

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