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Math

A Fair Deal for Housemates

A triangulated triangle with a proper Sperner labeling and an odd number (3) of elementary triangles possessing all three labels (shown in color). Four friends move into a house and find they must choose among four rooms of different size and quality. Instead of sharing the rent equally, they decide to divide the total so […]

Health & Medicine

Targeted Therapies

Tailoring prescriptions based on a person's genes may help reduce side effects and allow the development of more personalized medicine.

Astronomy

Super fireworks

A blast wave from supernova 1987A, the brightest stellar explosion witnessed from Earth since 1604, has begun lighting up a ring of gas surrounding the explosion.