Research affirms sexual reproduction avoids harmful mutations

(Phys.org)—Sex or no sex? Using various species of the evening primrose (Oenothera) as his model, Jesse Hollister, a former University of Toronto post-doctoral fellow, and his colleagues have demonstrated strong support ...

Sex: it's a good thing, evolutionarily speaking

(Phys.org) -- Sure, sex may be fun, but it’s a lot of work, and the payoff is by no means certain. Scientists have speculated for a long time on why all living things don’t simply make like amoebas and split.

Study finds the origin of 'odd-even' effects

(Phys.org)—The most intriguing property of nano-scale organic devices is their tunability. Their properties can be tweaked by changing the organic structure. There have been several studies exploring the organic structure ...

Close approach of Venus and Jupiter visible in evening sky

Armagh Observatory reports that the next two weeks will provide an interesting opportunity to observe the brightest planet, Venus, and the largest planet, Jupiter, as they move towards one another in the evening twilight.

Tweet timing tells bots, people and companies apart

Tweet timing can differentiate individual, corporate and bot-controlled Twitter accounts independent of the language or content of a tweet, according to research published July 3 in the open access journal PLOS ONE by Aldo ...

When a single tree makes a difference

A single tree along a city street or in a backyard can provide measurable cooling benefits, according to a new study from American University. The research shows that "distributed" trees, those that are stand-alone and scattered ...

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