科学与环境

Hooved mammals that migrate may be at greater risk of extinction than those that stay put

来源: Phys.org - latest science and technology news stories · 发布于

Hooved mammals that migrate may be at greater risk of extinction than those that stay put
来源: Phys.org - latest science and technology news stories

Over the past 100,000 years, hooved mammals that migrate have experienced a higher rate of extinction compared to nonmigratory species, according to a study being published Nov. 5 in the journal PLOS Biology by Joel Abraham at Princeton University, U.S., and colleagues.

Over the past 100,000 years, hooved mammals that migrate have experienced a higher rate of extinction compared to nonmigratory species, according to a study being published Nov. 5 in the journal PLOS Biology by Joel Abraham at Princeton University, U.S., and colleagues.

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Hubble learns galactic history from stars
科学与环境

Hubble learns galactic history from stars

This NASA/ESA Hubble Space Telescope image provides a lesson in galactic history. The sparkling collection of stars is named Messier 30 (M30) after the French astronomer Charles Messier, who cataloged M30 and other diffuse objects that might be mistaken for comets in the early te

Phys.org - latest science and technology news stories ·