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We’ve modified our behavior so we can text and walk
Texting – or checking social media or reading/responding to mail or reading the news or checking the weather or watching a video – while walking is a pretty common phenomenon. It’s so common that most people who own a mobile device have become texting walkers.
Research suggests that these texters adopt protective measures to minimize the risk of accidents when walking. They’re less likely to trip because they shorten their step length, reduce step frequency, lengthen the time during which both feet are in contact with the ground, and increase obstacle clearance height. Taken together this creates an exaggerated image of walking, but it apparently slows the walker enough so that he registers some of what is happening around him and can compensate for it.
(Adaptado de http://blogs.scientificamerican.com/anthropology-in-practice/we-ve-modified-our-behavior-so-we-can-text-and-walk/.)
If apes go extinct, so could entire forests
Bonobos eat a lot of fruit, and fruit contains seeds. Those seeds travel through a bonobo’s digestive system while bonobo itself travels around the forest. A few hours later, the seeds end up being deposited far from where the fruits were plucked. And that is where the new trees come from.
According to a paper recently published, if the bonobos disappeared, the plants would also likely go extinct, for many trees and plants species in Congo rely almost exclusively on bonobos for seed dispersal.
The bonobo has two major functions here. First of all, many seeds will not germinate well unless they have been “handled” by another species. Stomach acids and intestinal processes make the seed more able to absorb water and later sprout.
Secondly, many seeds will not succeed if they remain too close to their parental trees. The seeds that fell to the ground near their parents did not survive because they were choked off by the nearby plants. The bonobos eat about 3,5 hours every day and travel a mean of 1.2 kilometers from meal sites before defecating.
(Adaptado de http://blogs.scientificamerican.com/extinction-countdown /if-apes-go-extinct-so-could-entire-forests/.)
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Advice for new students from those who know (old students)
The first day of college I was a ball of nerves. I remember walking into my first class and running to the first seat I found, thinking everyone would be staring at me. But nobody seemed to notice and then it hit me: The fact that nobody knew me meant nobody would judge, which, upon reflection, was what I was scared of the most. I told myself to let go. All along the year, I forced myself into situations that were uncomfortable for me – for example, auditioning for a dance piece. Believe it or not, that performance was a highlight of my freshman year. My advice: challenge yourself to try something new, something you couldn’t have done in high school. – Ria Jagasia, Vanderbilt University, ’18.
(Adaptado de http://www.nytimes.com/2015/08/02/ education/edlife/ advice-for-new-students-from-those-who-know-old-students.html?ref= edlife.)
Advice for new students from those who know (old students)
The first day of college I was a ball of nerves. I remember walking into my first class and running to the first seat I found, thinking everyone would be staring at me. But nobody seemed to notice and then it hit me: The fact that nobody knew me meant nobody would judge, which, upon reflection, was what I was scared of the most. I told myself to let go. All along the year, I forced myself into situations that were uncomfortable for me – for example, auditioning for a dance piece. Believe it or not, that performance was a highlight of my freshman year. My advice: challenge yourself to try something new, something you couldn’t have done in high school. – Ria Jagasia, Vanderbilt University, ’18.
(Adaptado de http://www.nytimes.com/2015/08/02/ education/edlife/ advice-for-new-students-from-those-who-know-old-students.html?ref= edlife.)
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