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Study shows how planetary building blocks evolved from porous to hard objects

By Guest PostFebruary 25, 2015Scienceaging parents, australia, autophagosom, clara berridge, early solar system, elder abuse, electrostatics, evolution, evolve, fred ciesla, high density, international space station, jagd in afrika, meteorites, nursing home residents, oekotourismus in afrika, planet formation, security camera, software code, wilderei von elefanten

Thinking small has enabled an international team of scientists to gain new insight into the evolution of planetary building blocks in the early solar system.

The researchers compared the results of small-scale numerical simulations of colliding rock and dust particles to the composition of meteorites. They found that collisions helped transform initially porous materials into the more highly solidified asteroids and meteorites observed today. The team of seven scientists published their evidence last month in Nature Communications. (more…)

Did Men Evolve Navigation Skill to Find Mates?

By Guest PostJanuary 6, 2015Culture, Scienceanthropologist, biomedizinische bildanalyse, bjorn mysen, cancer metabolism, cocktail drugs, combination of drugs, elektrogeraet, evolve, jonathan sessler, jong seung kim, olaf ronneberger, sex differences, thomas bro, university of utah

Study Links Spatial Ability, Roaming Distance and Number of Lovers

A University of Utah study of two African tribes found evidence that men evolved better navigation ability than women because men with better spatial skills – the ability to mentally manipulate objects – can roam farther and have children with more mates. (more…)

Florida Lizards Evolve Rapidly, Within 15 Years and 20 Generations

By Guest PostOctober 31, 2014Natureatomic scale pattern, austin, azithromycin, ceftriaxone, charles darwin, coupling, Cuba, dylan selterman, evolution, evolutionary biologists, evolve, galapagos islands, horror superbug, ian mathieson, invasion, irene tsapelas, jaeger, justin garciad, multidrug resistant gonorrhoeae, quantum material, sammler, superrechner, taira giordani, terahertz laser pulse, university of texas

AUSTIN, Texas — Scientists working on islands in Florida have documented the rapid evolution of a native lizard species — in as little as 15 years — as a result of pressure from an invading lizard species, introduced from Cuba.

After contact with the invasive species, the native lizards began perching higher in trees, and, generation after generation, their feet evolved to become better at gripping the thinner, smoother branches found higher up. (more…)

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Study shows how planetary building blocks evolved from porous to hard objects

Did Men Evolve Navigation Skill to Find Mates?

Florida Lizards Evolve Rapidly, Within 15 Years and 20 Generations