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Study Claims To Show Cockroaches Have Distinct Personalities

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If you've ever encountered a cockroach—in your apartment, say, right before you squash it with a shoe—you probably didn't consider whether or not the insects have individual personalities. But researchers at Université libre de Bruxelles did. In fact, they wanted to know if these potential personalities were affecting the collective decision-making of groups of cockroaches.

Nineteen groups of cockroaches with 16 individual same-age males were fitted with tiny transmitters that precisely tracked their movements. Three times a week, each set of cockroaches—both individually and as a group—was released into a dark plastic arena. Lights were flicked on, and the researchers measured how quickly, if at all, certain cockroaches rushed to the shadowy areas provided.

They found that different cockroaches behaved differently, both from one another and depending on whether or not they were in a group setting. While some immediately hid in the shadows, others seemed to barely notice the bright light suddenly illuminating them. The researchers concluded that this indicated a range of personalities specific to individual cockroaches, and that this diversity of personalities is what makes cockroaches so able to adapt to different situations and surroundings.

Personally, I think it would have been more remarkable if the researchers found that every single cockroach always behaved exactly the same way as every other cockroach, and I'm reluctant to call their findings evidence of a "personality." But next time you start trash-talking cockroaches, consider that the one you're bashing could be a particularly sensitive guy.

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The Very Disgusting Reason You Should Always Wash New Clothes Before Wearing Them
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It’s sometimes assumed that clothing with a price tag still dangling from the sleeve can skip an initial wash. Someone else may have tried it on, sure, but they didn’t run a marathon in it. Why not just throw it in the closet as soon as you get home?

One big reason: lice. As The Independent reports, Donald Belsito, a professor of dermatology at Columbia University Medical Center, told NBC's Today show recently that clothing fresh off store racks can harbor infestations of lice, scabies, or fungus.

You might be familiar with head lice as the dreaded insects that occupy the scalp and give school health monitors cause for concern. Head lice can be transmitted via clothing and other fabrics, and anyone who tried on a shirt or dress before you did can be a carrier. While they only live for one or two days without a blood meal, that’s still enough time to cause problems if something is being tried on frequently.

Scabies is far more insidious. The mites are too small to see, but the allergic reaction they cause by burrowing into your skin to lay eggs will be obvious.

Both scabies and lice can be treated with topical solutions, but it’s better to kill them by washing new clothes in hot water. A good soak can also get rid of formaldehyde, a common chemical used in fabrics to help ward off mold in case stock gets wet in transit. Formaldehyde can cause allergic skin reactions. For all of these reasons, it’s best to hit the washing machine before those new pants ever hit your hanger.

[h/t Independent]

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These Fake Flowers Could Help Scientists Study At-Risk Bees
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If you haven't heard, the world's bees are having a crisis. According to one recent study, bee populations in some areas have plummeted by 75 percent in a quarter of a century. Some countries have introduced legislation banning certain pesticides in response to the news, but solving the complicated problem will likely require much more research. In order to gather better data on bee behavior, one new media artist has developed a machine that can give scientists a bug's-eye view.

As Co.Design reports, Michael Candy's Synthetic Pollenizer is designed to blend into a bee's natural environment. Yellow circles bolted around the opening of the device imitate the petals on a flower. Tubes pump real nectar and pollen into the center of the fake flower, so when bees land on it to feed, they're collecting real reproductive materials they can spread to the next plant they visit.

Candy, who's based in Brisbane, Australia, originally conceived the apparatus as a way for scientists to track the pollinating behaviors of bees. The synthetic flower is outfitted with cameras and dyes, and with enough of them distributed in the wild, researchers could see which bees travel to certain places and how long they stay.

After his concept reached the final round of the Bio Art and Design awards in the Netherlands, Candy decided to create his own prototype with help from an urban beekeeper in Melbourne, Australia. The invention worked: Bees mistook it for real flora and carried pollen from it to their next destination. But to use it for tracking and studying bees on a larger scale, Candy would need to build a lot more of them. The pollinators would also need to be scattered throughout the bees' natural habitats, and since they would each come equipped with a camera, privacy (for nearby residents, not the bees) could become a concern.

Even if the concept never gets the funding it needs to expand, Candy says it could still be used in smaller applications. Fake flowers designed to look like real orchids, for example, could encourage the pollination of endangered orchid species. But for people studying dwindling bee populations, orchids are low on the list of concerns: 30 percent of all the world's crops are pollinated by bees [PDF].

[h/t Co.Design]

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