Drilling

Instagram will warn users about anti-vax content, drilling plans for California are moving forward, and penguin poop is good for biodiversity.

Watford City, North Dakota: Drillers perfect "the curve," a 1,000-foot portion of the oil well where the line gradually shifts from vertical to horizontal, on the Raven Drilling company rig.

A Pennsylvania gas company offers residents cash to buy protection from any claims of harm.