Scientists have identified an almost complete skeleton of a 4.8-meter-long dolphin ancestor that lived in what is now South Carolina during the Oligocene epoch about 25 million years ago. This ‘dolphin’ was the first known echolocation apex predator: in addition to its large size, it would have had large, tusk-like …
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Today, flowering plants (or angiosperms) represent about four-fifths of all green plants on Earth, but for billions of years they did not exist at all. Biologists have now been able to fully record the rapid increase in angiosperms in the past 140 million years. A recently released ‘time tree’ of …
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A new fossil discovery has revealed that New Zealand’s ancient monster penguins were not the only human-sized flightless birds that roamed our planet tens of millions of years ago. Recent findings in North America and Japan suggest that giant creatures like penguins also spread throughout the northern hemisphere. And these …
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The numbers: New claims for traditional unemployment benefits continued a slow and steady decline in late June, moving in the right direction, but at a slow pace showing that the labor market is still struggling to recover after the biggest wave of layoffs in the United States history. Initial jobless …
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The numbers: New claims for traditional unemployment benefits fell slightly last week to 1.48 million, but remain stubbornly high three months after the start of the coronavirus pandemic, signaling that an incipient economic recovery is likely to be uneven. Initial jobless claims, a rough measure of layoffs, declined in the …
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