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Chemistry

Molecules/Matter & Energy

Sulfur found in life's possible early building blocks, plus fingerprint clues and frozen blood in this week's news

Earth

Earth/Environment

Monsoons may have sped India's tectonic plate, plus saber-toothed reptiles and leaden bones in this week's news.

Space

Planets take shape in embryonic gas clouds

A new theory of planetary formation may explain variety seen in extrasolar searches.

Humans

Noise is what ails beaked whales

Large-scale experiments reveal a sensitivity to sonar, apparently at lower levels than other species.

Health & Medicine

Obesity messes with the brain

Excess weight may compromise memory and concentration, possibly by spurring inflammation that damages white matter.