科学与环境

Endangered species in Canada face extensive delays receiving protection

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

Endangered species in Canada face extensive delays receiving protection
来源: Phys.org - latest science and technology news stories

For more than 20 years, Canada's Species at Risk Act (SARA) has protected wildlife that are at risk of being lost from Canadian lands and waters. Once a species is listed as extirpated, endangered or threatened under the act, it becomes illegal to kill, harm or capture it or dama

For more than 20 years, Canada's Species at Risk Act (SARA) has protected wildlife that are at risk of being lost from Canadian lands and waters. Once a species is listed as extirpated, endangered or threatened under the act, it becomes illegal to kill, harm or capture it or damage its residences. Its critical habitat must also be protected, at least on federal land.

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A 9-billion-year-old signal could help explain dark energy
科学与环境

A 9-billion-year-old signal could help explain dark energy

A Canadian radio telescope has detected the faint glow of hydrogen from billions of years ago using only its own observations, proving a long-awaited way to map the distant universe can actually work. CHIME can use this hydrogen signal to trace how matter is spread across space a

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