A mother queen conch lays half a million eggs over a day or so in a gelatinous strand that, unfurled, would stretch longer than a semitruck trailer.A queen conch shell can grow as big as a football.

“Shell might come to us with a $1 million contract, and we’re walking away from that,” says Roger Ramirez, chief growth officer of the New York–based ad agency Mustache, which signed onto the pledge earlier this year.

Writing today in the journal Science Advances, researchers from several universities and museums in France describe how they used CT scans and other imaging wizardry to show that a person during the Upper Paleolithic age took great care to modify the shell, the oldest such instrument ever found.

But the diabolical ironclad beetle (henceforth known as the DIB) can’t fly, and has over evolutionary time fused its elytra together and to the rest of its exoskeleton, creating a cohesive shell.

Shell Lip Thickness Is the Most Reliable Proxy to Sexual Maturity in Queen Conch (Lobatus gigas) of Port Honduras Marine Reserve, Belize; Informing Management to Reduce the Risk of Growth Overfishing.

This boat is light and fast, and folds origami-style into a 30-inch square that’s just 15 inches deep—small enough to fit in a car trunk or hall closet. The 40-pound Haven is one of the only tandem kayaks light enough for one person to carry.

The Quest facility, which sequesters emissions from the Scotford Upgrader near Edmonton, Alberta, started up in November 2015 and has since run ahead of its target of capturing 1 million tons of carbon a year, said Anne Halladay, a geophysicist who has been an adviser on the project since it was in construction in 2014.

Royal Dutch Shell Plc’s London headquarters suffered thousands of dollars’ worth of damage after climate-change protesters smashed doors and glued their hands to windows. One activist has already been arrested for the actions at the Shell office, out of nine that participated, Extinction Rebellion said.

Track a Tank Shell With a Mirror and Polar Coordinates If the internet was your online physics textbook, The Slow Mo Guys would be writing a good number of those homework questions.

They published their study in a peer-reviewed academic journal, Forensic Science International , and the San Diego Police Department began using it in 2014—around the same time they tested the evidence in the Gregory Benton murder case.

Royal Dutch Shell Plc and Total SA are the only companies among the 10 biggest oil and gas producers in the world which disclose how their carbon emissions will decline over time, according to the first analysis of its kind by managers overseeing more than $9 trillion of funds.