How bugs overcome host defenses

Bacterial pathogens must acquire nutrient metals from the host to survive and cause disease. To counter infection, hosts attempt to starve bacteria by hiding metals away in a process called "nutritional immunity." Bacteria ...

Uber sets IPO in motion, seeks to 'ignite opportunity'

Uber filed documents Thursday for its much-anticipated public share offering expected to be the largest in the tech sector in years, and a bellwether for other venture-backed startups eyeing Wall Street listing.

Millennials hurt most by middle class squeeze: OECD

The middle class is getting squeezed and it is the millennial generation above all that is bearing the brunt, the OECD said, urging action to help households struggling with the rising cost of education and housing as incomes ...

U.S. hit with two billion-dollar disasters so far in 2019

The so-called bomb cyclone that brought heavy snow, blizzard conditions and major flooding to the Midwest in March landed with a resounding meteorological "ka-boom!" and became one of two billion-dollar weather and climate ...

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