Feature

Excess Lead Linked to Boys’ Delinquency

Making Waves with Sound Velocity in Water

Tracing the Architecture of Dark Matter

Front Matter

Kids: Getting under Mom’s Skin for Decades

Back Matter

Surfing a Laser Wave

Bits of Uncertainty

How Water Reacts with Solid Catalysts

Biomedicine

Slowing the Charge to Hybrid Cars

Tap Water’s Toxic Touch and Vapors