Here's what you missed this week...

Ride The Rainbow: Castro Station's LED Escalators Launching Tonight, Hoodline

Hoodline just received word from SFMTA spokesperson Paul Rose that the much-discussed rainbow escalators at Castro station will begin operating tonight [Thursday] at 8pm. The unveiling comes nearly a month afterSFMTA originally reported it would have the escalators up and running. Read more.

SF Judge Refuses Bid To Block Health Soda Warning Label Law, cbslocal.com

A federal judge in San Francisco refused Tuesday to grant a preliminary injunction blocking a city law that requires advertisements for sodas and other sugary drinks to carry a health warning label. Unless it is successfully appealed by beverage and advertising industry groups to a higher court, the decision by U.S. District Judge Edward Chen means the law will go into effect on July 25 as scheduled. Read more.

Bison Calf in Viral Facebook Post Euthanized After Being Rejected by Herd in Yellowstone National Park,ktla.com

A sad update to a story that seemed at first to be a simple mishap. A father and son were reportedly ticketed at Yellowstone National Park after they placed a bison calf in the back of their SUV in an attempt to protect it from the cold, KTLA sister station WDAF reported. A mother chaperoning a school group that witnessed the calf in the vehicle posted her account on Facebook, which quickly made the rounds on news sites and social media. While their heart was in the right place, the father and son were unaware that bison are well-suited to exist in that environment and did not know the effect their actions could have on the rest of the herd. Read more.

Petaluma's Cowgirl Creamery Sold to Swiss Company Emmi, pressdemocrat.com

Petaluma's Cowgirl Creamery, an early leader among the North Bay's artisan cheese makers, has been sold to Swiss dairy giant Emmi, the owners announced Monday. "We have merged our company with Emmi, with the idea that it's the best way to keep it going and growing," said co-founder Sue Conley, who started the company with partner Peggy Smith nearly 20 years ago. The two, who owned 80 percent of the business, will remain at Cowgirl as co-managers, with Smith as president and Conley as vice president. Read more.

Self-Driving Chevy Bolts Are on the Streets of San Francisco, theverge.com

A spy photographer has come across a fleet of all-electric Chevy Bolts in San Francisco today that appear to be equipped with arrays of self-driving sensors, a sign that GM is already testing the electric cars that could be ferrying Lyft passengers around without drivers sometime in the next year. Read more.

Whatever You Do, Don't Try To Outrun A Stampede Of Hungry Lambs, thehuffingtonpost.com

Seven little lambs wearing colorful coats were recently filmed kicking up dust as they hoofed it to get their breakfast at an animal sanctuary in Tasmania. "The Breakfast stampede........whatever you do don't get in their way," FreeHearts Animal Sanctuary posted to Facebook with the adorable video Thursday. The babies frantically race toward the person holding the camera in anticipation of milk but find only four bottles readily available. "Only enough room for four!" a woman is heard telling them as she tries to wrestle them off one another with a laugh. "Where are your bottles?" Read more.