Sights, Smells, Sounds & Skateboards, in Our Picks of the Week

[10 - 14 March 2014] The editors’ note about your science week

Sights, smells, and sounds: Their significance varies according to the situation, the sex and the species. This week in #MSWnews, a look at the different senses, from a couple of different angles, plus a scientific feast for one of them in our selection of stories from around the web.

Sights, smells, and sounds: Their significance varies according to the situation, the sex and the species. This week in #MSWnews, a look at the different senses, from a couple of different angles, plus a scientific feast for one of them in our selection of stories from around the web.

The ratio of different gut bacteria, including strains of E. coli, seems to be important for Crohn's disease. (Dr. W.A. Clark/CDC)

This week, on the MyScienceWork menu:

A new study recorded, for the first time, the effect an auditory cue can have on our brain’s anticipation of a movement and our muscles’ preparation for it. The context under study? Skateboarding, of course!

Are you listening to your skateboard?

Down on the farm, animals rely a great deal on smells to communicate, gather information and to attract a mate. The secret to a male goat’s success, it seems, may lie largely in a single, odorous molecule. Love potions notwithstanding, the situation is likely quite different for humans.

Male Goats Master the Science of Attraction

 

Some favorites from around the web:

New clues have emerged about the migration of ancient human populations across the Bering Strait land bridge. The source of this info? Language!

Linguistics may reveal how Native Americans colonized Americas

 

Like many of us, theoretical physicists can’t resist dinosaurs, either, and two of them have proposed a surprising role for dark matter in the dinos’ demise.

Did dark matter help kill off the dinosaurs?

 

A major medical advance was announced this week, with a blood test that may allow the detection of Alzheimer’s disease several years before symptoms begin.

New blood test for Alzheimer's?

 

New results have revealed that the ratio among a number of different gut bacteria may be linked to Crohn’s disease. Previous studies, using different samples, had not been able to establish this.

Bacterial imbalance playing a role in Crohn's disease

 

And, finally, after all that reading, relax and feast your eyes on this: A narrated slideshow of the winners of this year’s Wellcome Image Awards.

Science close up - Wellcome Images 2014