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cosmic microwave

HIDDEN TREASURES  This map of the cosmic microwave background taken by the Planck satellite could also hide signs of exo-Oort clouds — planetary graveyards surrounding other stars.

cannabis plant

POT PROBLEM  After exposure to a marijuana-like drug in adolescence, male rats had changes in structures that surround and help stabilize certain nerve cells.

gonorrhea bacteria

RESIST Bacteria that cause gonorrhea (Neisseria gonorrhoeae, illustrated) have developed resistance to numerous antibiotics over the years, rendering the drugs unable to kill the microbes.

hammock relaxing

RESTING RHYTHM  The time of day matters for burning calories when the body is at rest, researchers have discovered. This daily cycle of calorie burning is one of the many body processes that follow a biological clock.

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