Browsing Month 'June, 2010'

Honeybees also affected by homogenization

Imagine a small town where everything is uniform—a tiny community of individuals who eat the same meals and pair up with people with similar qualities and traits. The scenery is stripped down: one church, one pub and cookie-cutter houses. Now add in social interactions. Greetings occur but they have few variations; life is routine. And just a few miles over in a town with the same layout, similar individuals are interacting, eating and greeting, in all the same ways.

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Dragonfly

When I was a kid, July and August always included at least one fishing trip with my grandmother. She was not a great angler, but she was brave. I will never forget watching her tramp through tall weeds in search of grasshoppers. Upon finding one, she would quickly snatch it up with her bare hands and then smilingly pierce it with a small hook on the end of her ancient fishing pole. It did not take long for a hook thus baited to attract a bite.

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Diving sperm whale

Genetically altered animals come closer to approval, global climate change extends the time space junk orbits the Earth, researchers develop a method to identify and analyze whale vocalizations, artists shape messages about the planet’s health and female mollies prefer a more mustachioed mate. Here are highlights in ecology from the last week in June.

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Aphids

Blanketing a home garden in pesticides poses a clear risk to the humans and animals who dine on it. But when the garden is compared to a human immune system, another problem becomes apparent: Just like antibiotics, pesticides wipe out the “good bugs” with the bad. These helpful predators and parasitoids are called natural enemies and they help to naturally control pests like aphids and caterpillars. Certain plants attract natural enemies and/or deter pests all together and can be used in place of harmful chemicals.

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From June 17

It seems the only certainty amidst the Gulf of Mexico environmental disaster is that nothing is certain. From the amount of oil continually pouring from the seafloor to British Petroleum’s use of chemical dispersants, this crisis has been anything but straightforward. As evasive, and at times downright misleading, as BP has been, the environmental impacts of this disaster are far from allusive. Just take a look at the photos on the Public Broadcasting Service’s News Hour site to get a sense of urgency surrounding this crisis.

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