Growing low-oxygen zones in oceans worry scientists

WASHINGTON — Lower levels of oxygen in the Earth's oceans, particularly off the United States' Pacific Northwest coast, could be another sign of fundamental changes linked to global climate change, scientists say.

They warn that the oceans' complex undersea ecosystems and fragilefood chains could be disrupted.

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All of Life’s Ingredients Found in Orion Nebula

The ingredients for life as we know it have been found in the Orion Nebula.

By finely separating the spectrum of incoming light, astronomers are able to detect the chemical fingerprints of molecules like water and methanol. The spectrograph that their work produces can be seen in the image above. The peaks represent the presence of the molecule indicated.

Wired Science