Leslie Baehr

Scope Correspondent
lgbaehr@MIT.EDU
Leslie Baehr’s foray into writing was traumatically halted at the age of seven when her older brother read her diary. Eleven years later she attended the University of Colorado graduating with a degree in Environmental Science and Anthropology. After realizing that being far from the water was a horrendous idea, she spent some time exploring earth’s more watery bits, repeatedly landing in the Caribbean. This quest eventually brought her back to her native southern California where she has spent time in underwater kelp forest monitoring, marine and terrestrial research education, and sailboat racing. She returned to writing after realizing that talking to oneself is strange whereas writing is, more or less, a socially acceptable alternative. She is excited to join the MIT team and promises (to try) not to be a wimp about winter. She is currently traveling around the sun with no intentions of stopping any time soon.

Co-Evolution

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Scope Correspondent

I sit in the small windowless room at the back of the MIT Humans and Automation Laboratory staring excitedly at the computer screen in front of me. The tutorial for the simulation begins. I will have four drones at my disposal, or unmanned vehicles as those in the know call them. Three are aerial vehicles. The fourth is a watercraft that navigates its way on a river cutting through the center of the digital battle ground. A series of controls will allow me to direct these drones, but there is a catch.

I cannot micromanage the drones the way one would move pieces on a chessboard. Instead, the interface asks me to pick from a variety of priorities, such as seeking out potential targets, babysitting ones I have already found, and destroying hostile ones. A complicated algorithm, I am told, will ensure my priorities are doled out to my machines in the most efficient way possible. In other words, my puny mind can’t fly three planes at once, but a computer can. The question is, how? Full Article »

Be Afraid. Be Very Afraid.

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Scope Correspondent

New research illuminates why getting scared is good for your soul¬—revealing why BASE jumpers may be less crazy than you think.

A recent study found that extreme sports athletes, defined as those who partake in “activities where the most likely outcome of a mismanaged mistake or accident is death,” were not fearless, but utilized fear to stimulate positive outcomes and personal growth.

The study examined fifteen subjects, ten men and five women, who were involved in an extreme sport, such as big-wave surfing, extreme skiing, waterfall kayaking, extreme mountaineering, solo rope-free climbing or BASE jumping—launching from buildings, antennas, spans (bridges), or earth (cliffs), parachute equipped. The study debunked the bravado persona associated with extreme sports athletes, noting that participants are not fearless at all. “If you want the truth, if you want a true slogan for these kinds of sports it is ‘Oh please don’t let me die!’” said one BASE jumper from the Queensland University of Technology study. Full Article »

Sacred Conservation

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Scope Correspondent
In order to study the butterflies, evolutionary biologist Janice Bossart needed a sacrificial sheep. The offering (part of a ceremony to appease Ghanaian tribal elders and the gods) would gain Bossart access to the sacred grove where centuries of religious protection had preserved local forest habitat creating a safe haven for butterfly species.

Bossart’s research is part of a growing trend—exploring how modern conservation efforts are not only compatible, but often more effective, when combined with incumbent religious practices protecting natural areas. This success has caused some researchers to propose a formal partnering of the two.

To Bossart, all the rigmarole to get into sacred forests is good news. When it comes to these groves, “The ones that have weaker protective measures are not as high quality as the ones that have strong protective measures,” said Bossart, citing the noticeably better health of the latter (they generally had fewer gaps in their canopies). Protective measures vary depending on cultures but take the form of anything that restricts or discourages people from exploiting the sacred area, such as involved permission ceremonies, local patrolling by religious officials, or taboos condemning harmful resource extraction or even entrance. Full Article »

The Radium Worked Fine Until His Bum Lit Up Like A Glow Worm

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Scope Correspondent
On March 30, 1932, the wealthy chairman of a Pittsburgh steel company, Eben Byers, was pronounced dead. The passing of this high-profile socialite and alleged “ladies man,” sent federal agencies and medical authorities into a bit of a panic. Radioactive materials, it turned out, were not things one should eat for lunch.

Byers had bought into the latest in “homeopathic” trends, radium-infused products. Radium is actually present in small quantities in almost all plants, animals, rock, soil and even water. But it was its presence in natural hot springs, considered by many to have curative properties, that kick-started the element into celebrity. In an effort to cure a golf injury, Byers adopted the religious habit of downing several bottles a day of the popular and delicious Radithor. Radiothor was an early form of smart water, but instead of your day’s worth of vitamins, the elixir delivered “certified radioactive water.” “New Substance, Declared to be Cheap and Efficacious in Many Diseases, Shown to Doctors,” read a 1909 New York Times headline on the product.

Radium was cool and everybody was doing it. French women were putting it on their faces in creams. Watches and military instruments used it for its glow-in-the-dark effect. A European company was plunking it in their bread, and another was using it to spruce up their chocolate. Radium toothpaste graced supermarket shelves promising to “load cells with new life.” Even James John “Jimmy” Walker, New York’s incumbent mayor, was home-brewing his own radium water. Full Article »

Where Great White Sharks May Get “In the Mood”

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Scope Correspondent
Great White Shark mating habits have remained one of marine biology’s most elusive mysteries, but recent research may shed light on the rendezvous point where these toothy beasts get in the mood.

It is not known for sure whether sharks aggregate to mate, but scientists think it is likely. A new analysis method provides the first hints that an area located halfway between Hawaii and the Baja Peninsula (the “White Shark Café,” as some scientists call it) and traditionally speculated to be a popular shark foraging area, could actually be a mating area.

The study used diving and location data from tags attached to 53 White Sharks. A total of 5,571 data days were analyzed to see how they cluster. The results show that male sharks are gathering in the café in the spring where, according to Salvador Jorgensen, the lead author of the study published in the journal PloS One at the end of October, “they’re swimming up and down [to about 1000 feet below the surface, at just under two feet per second—a fast rate for sharks]…for almost three months, night and day.” Full Article »

Tracking Linguistic Breadcrumbs

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Scope Correspondent
Fifty years ago, who knew that the word “tweet” would denote more than just the sound a bird made at an obnoxiously early hour. With today’s speed-of-light changes, where new words and slang pop up like wildflowers, it’s hard to imagine that some parts of our language will always stay the same.

But, according to linguists, there are certain words that are so basic and essential, they just won’t budge. By examining 200 words thought to be resistant to change across 103 languages (from the ancient Tocharian to the more familiar Spanish), an interdisciplinary team of researchers came up with a map that shows how the Indo-European language family may have spread over time.

To do this, the University of Auckland team looked for similarities in words across the 200-word list that Michael Dunn, the group’s linguist, said has been the standard since the 1950’s or 60’s. Full Article »

Oceanic CSI

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Scope Correspondent

Researchers can now use forensic traces left in the water by marine fish to discern what species are present without ever having to see them.

Using DNA from the environment (eDNA) to detect animals is a cutting edge approach, and in the paper published on PLOS One on August 29, Danish researchers report the first instance of its successful use in the marine world, carried out in the Sound of Elsinore, Denmark, on October 1, 2011.

Previously, fish could only be studied by conventional methods, which involve putting a human in the water or taking the fish out. The non-invasive eDNA method, on the other hand, requires only a half-liter of seawater be taken to a lab where scientists can determine the fish species that left it behind.

Currently, the eDNA method is used to track freshwater invasive species. “But it has much more potential and could be used to monitor changes in biodiversity or species ranges due to climate change; changes in population boundaries; spread of deleterious mutations; the list could go on and on,” says Andrew Foote of the Centre for GeoGenetics, who along with Philip Francis Thomsen, co-authored a similar study looking at marine mammals, published on the same date. Full Article »