Robert Merlin News Today

Cases of the new variant have been identified in Botswana, Belgium, Hong Kong, and Israel, in addition to South Africa. See Boston.com.

The discovery of a new coronavirus variant in southern Africa this week led governments around the world Friday to impose travel restrictions and quarantine regulations while health officials were still evaluating the severity of the threat. The emergence of the variant, designated as omicron by the World Health Organization, is causing confusion for some travelers, and stranding others, as countries scramble to respond to the news.

The discovery of a new coronavirus variant in southern Africa this week led governments around the world Friday to impose travel restrictions and quarantine regulations while health officials were still evaluating the severity of the threat. The emergence of the variant, designated as omicron by the World Health Organization, is causing confusion for some travelers, and stranding others, as countries scramble to respond to the news.

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They're not being shy about it, either, the advisers say.

University of Michigan Quasars are extraordinarily distant celestial objects that throw off a massive amount of light, and astrophysicists use them to probe cosmological theories. In some cases, astrophysicists have used them to estimate the rate at which the universe expands, called the Hubble constant. Now, a team of researchers from the University of Michigan and the University of Hawaii’s Institute of Astronomy are suggesting a new way to use them to measure the expansion of the universe ...

Contact: morganls@umich.edu Quasars are extraordinarily distant celestial objects that throw off a massive amount of light, and astrophysicists use them to probe cosmological theories. In some cases, astrophysicists have used them to estimate the rate at which the universe expands, called the Hubble constant. Now, a team of researchers from the University of Michigan and the University of Hawaii’s Institute of Astronomy are suggesting a new way to use them to measure...