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Uber acquires Mideast competitor Careem for $3.1 billion

Ride-hailing service Uber announced on Tuesday it has acquired Mideast competitor Careem for $3.1 billion, giving the San Francisco-based firm the commanding edge in a region with a large, young, tech-savvy population.

Legal cannabis vs. black market: Can it compete?

The Oct. 17 launch of legal recreational cannabis in Canada brings many challenges. Retailers are now worrying about possible product shortages or web site glitches. Governments are still debating how to handle amnesties, ...

Looking for an oasis in America's food deserts

Where does your food come from? For many in the United States, that important question is answered by a simple solution—the grocery store. However, in some parts of the country, acquiring nutritious, fresh food is not as ...

SANS: a unique technique to look inside plants' leaves

Plants' leaves capture the sunlight and convert it into the energy used to produce nutrients for their activities. This process is accomplished thanks to the presence of the thylakoid membrane system. While it is known that ...

Biogas from animal waste in need of maturity

Biogas-based energy could solve both the environmental concern of agricultural waste and reduce dependency of fossil fuels, particularly in Eastern Europe, albeit at a steep production cost.

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