Robot chemist offers insight into the origins of life

A robotic 'evolution machine' capable of exploring the generational development of chemical mixtures over long periods of time could help cast new light on the origins of life, scientists say.

When to release free and paid apps for maximal revenue

Researchers from Tulane University and University of Maryland published a new paper in the Journal of Marketing that examines the dynamic interplay between free and paid versions of an app over its lifetime and suggests a ...

Why businesses should offer free trials to existing customers

Everybody loves freebies, whether it's a tasty treat handed out at the supermarket or a month of Netflix. These campaigns are a great way to bring attention to a new product or service, and marketers use them to target new ...

School districts take unplanned plunge into online learning

In a whirlwind week, teachers came up with digital versions of everything from high-school English discussions to kindergarten gym classes, city officials scrambled to find laptops for students in need, and parents grappled ...

Using corkscrew lasers to separate chiral molecules

Many of the molecular building blocks of life have two versions that are mirror images of one another, known as enantiomers. Although seemingly identical, the two enantiomers can have completely different chemical behaviour—a ...

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