SN Online

MATTER & ENERGY
Chemists find more evidence of the existence of ununtrium in “News in Brief: Japanese lab lays claim to element 113.”

Guenter Wieschendahl/Wikimedia CommonS

ON THE SCENE BLOG
Middle-schoolers tackle scientific challenges at the Broadcom MASTERS competition. Read “Building a funner mousetrap.”

HUMANS
Pastoralists may have constructed England’s ancient stone monuments. See “Herders, not farmers, built Stonehenge.”

BODY & BRAIN
Magnetic resonance imaging can detect heart attacks that EKGs often miss. Read “MRI spots silent heart attacks.”