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Mitochondrial DNA is passed intact from mother to offspring. It is not involved in sexual mixing, so it changes only by the random process of mutation. The lack of mutations that might have distingu...

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DNA grants researchers a glimpse of Neanderthal family life. Fresh from his award a couple of weeks ago of a Nobel prize for his work on the DNA of early human species, including Neanderthals, Svan...

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Falling valuations in turn make it harder to raise capital. New projects may be put on hold and new hires may have to stop. Some companies could go out of business altogether. On April 5th Fast...

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Business. Technology -- Hungry, hungry unicorns. After a fat year, tech startups are bracing for lean times. After a stunning run during the pandemic, which put a premium on all things digital, t...

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In a broader sense, however, the stock market clearly matters to the Fed. Jerome Powell, its current chairman, has repeatedly said that its policies are transmitted to the real economy through fina...

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Finance and economics. Buttonwood: Wake-up call. The once-benevolent Fed now looks vengeful for markets. When stocks boomed early in the pandemic, an internet meme captured the madness of the mom...

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Collectively, Alphabet, Amazon and Microsoft, the world’s three biggest cloud providers, took in $43bn of sales for such services in the first three months of 2022, up by 33% from a year earlier. Mor...

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The industry has suffered from an abrupt reversal of fortunes, explains Mark Mahaney of Evercore ISI, an investment bank. In recent years more than one factor gave tech a boost: the coronavirus pan...