Walmart speeds up delivery in race with Amazon

Retail colossus Walmart on Tuesday began offering free next-day deliveries of online purchases, aiming to counter rival Amazon in the race to get orders to consumer doorsteps.

Everyday enzymes, now grown in plants

The jeans you wear, the orange juice you drink, the laundry detergent you use: None would be possible without the activity of enzymes. Currently the enzymes used in industry are produced through an expensive, laborious process, ...

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