DNR weekend reading: Yellow-cedar death cause pinpointed; Moroccan fireball yield Mars meteorites; and other stories

Dabob Bay

A volunteer shows off a sample of the debris removed from the shoreline at a clean-up event at Dabob Bay in early February. Photo: DNR

Here are some recent articles and links with information about science and the environment for your weekend reading:

 Science Daily: Yellow-Cedar Are Dying in Alaska: Scientists Now Know Why
It appears that the causes of widespread yellow-cedar decline in Alaska is caused by a form of root freezing that occurs during cold weather in late winter and early spring, but only when snow is not present on the ground in sub-freezing conditions.

Scientific American podcast: How Much Energy Do You Waste Charging Your Cell Phone?
Battery chargers are everywhere these days, wasting electricity. California aims to change that. David Biello reports

Nature News Blog: Morocco fireball yields rare Mars meteorites
A meteorite that fell to Earth last July in Morocco has proven to be a rare chunk of Mars. The find is particularly important because it marks the first time a Martian meteorite has been collected from a witnessed fall since 1962 — when scientists were a lot less skilled than they are today in preventing contamination

Science: Ecologists Capture First Deep-Sea Fish Noises
Fish biologists conducted one of the first studies of deep-sea fish sounds in more than 50 years, 2,237 feet under the Atlantic. With recording technology more affordable, fish sounds can be studied to test the idea that fish communicate with sound, especially those in the dark of the deep ocean.

 

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