Uber-Grab deal hits speed bump in Singapore

Singapore on Friday imposed restrictions on ride-hailing firm Grab's acquisition of Uber's Southeast Asian business until it concludes a probe into whether the sale may have infringed competition rules.

Legal pot in California brings host of environmental rules

At a state briefing on environmental rules that await growers entering California's soon-to-be-legal marijuana trade, organic farmers Ulysses Anthony, Tracy Sullivan and Adam Mernit listened intently, eager to make their ...

South Dakota court rejects law aimed at online sales taxes

South Dakota's Supreme Court on Thursday struck down a law that would require out-of-state retailers to collect sales taxes on in-state purchases—a defeat the state expected and welcomed in a case that eventually could ...

The search for deviations from standard quantum mechanics

Physicists have searched for deviations from standard quantum mechanics, testing whether quantum mechanics requires a more complex set of mathematical rules. To do so a research team led by Philip Walther at the University ...

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