Oldest fossils of animals may be in Canada rocks, study says
Christina Larson
Washington – A Canadian geologist may have found the earliest fossil record of animal life on Earth, according to a report published Wednesday in the journal Nature.
Around a billion years ago, a region of northwest Canada now defined by steep mountains was a prehistoric marine environment where the remains of ancient sponges may be preserved in mineral sediment, the paper says.
Geologist Elizabeth Turner discovered the rocks in a remote region of the Northwest Territories accessible only by helicopter, where she has been excavating since the 1980s. Thin sections of rock contain three-dimensional structures that resemble modern sponge skeletons.
Fossil may be first sign of animal life on Earth
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First sign of animal life on Earth may be a sponge fossil | News, Sports, Jobs
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Infrastructure deal: Senate suddenly acts to take up bill
WASHINGTON (AP) â The Senate voted Wednesday night to begin work on a nearly $1 trillion national infrastructure plan, acting with sudden speed after weeks of fits and starts once the White House and a bipartisan group of senators agreed on major provisions of the package thatâs key to President Joe Bidenâs agenda.
Biden welcomed the accord as one that would show America can âdo big things. It includes the most significant long-term investments in nearly a century, he said, on par with building the transcontinental railroad or the Interstate highway system.