Body & Brain

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Aging

FOR THE AGES  Peoples’ chronological ages may not match the state of their bodies. New research suggest some people age faster than others. Some factors that contribute to aging may be in the blood.

PAPER TOSS  When sheets of paper were scrunched, variations in surface area (larger on the left) led to balls with different levels of crumpled folding. Surface area is one part of a new equation that may help describe how brains fold.

sniff test

TAKE A BREATH  Unlike kids without autism, kids with the disorder breathe in just about as deeply whether they’re smelling unpleasant odors (rotten fish, sour milk) or pleasant ones (roses, shampoo), a new study suggests. Researchers delivered scents via tubes hooked up to the children’s noses, and measured length and depth of inhalations.

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