Tag Archives: breathe

Life doesn’t always play by the tidy rules in textbooks. Most organisms use oxygen to produce ATP, which is energy used by cells. Some life forms, especially microbes, tap other chemicals when oxygen is scarce. The usual explanation says it’s one mode or the other. A team studying a microbe from a Yellowstone hot spring found something different. This bacterium …

The team members went through a process of incrementally determining what elements and molecules the bacterial strain could grow on. They already knew it could use oxygen, so they tested other combinations in the lab. When oxygen was absent, RSW1 could process hydrogen gas and elemental sulfur—chemicals it would find spewing from a volcanic vent—and create hydrogen sulfide as a …

CLEMSON, S.C. — Here was Brian Kelly, sliding behind a table strewn with microphones in the guts of Memorial Stadium, a throng of LSU fans and family members lingering on the field to sing, dance and sweat in the sticky-cool South Carolina air. After months of retooling LSU’s $18 million roster and deflecting questions about when he was going to …

“Our capsule’s engines are not pointed in the right direction for optimum boost,” said Sarah Walker, SpaceX’s director of Dragon mission management. “So, this trunk module has engines pointed in the right direction to maximize efficiency of propellant usage.” When NASA says it’s the right time, SpaceX controllers will command the Draco thrusters to ignite and gently accelerate the massive …

Remakes and remasters of classic video games have turned out to be some of the biggest highlights of recent gaming history, and one modder is working hard to ensure Medal of Honor: Airborne gets a chance at a second deployment. Medal of Honor: Airborne was originally released in 2007 and is widely regarded as one of the top-tier MOH games …

Unlike humans, frogs and other amphibians don’t need to rely on their lungs to breathe; their unique skin helps them exchange oxygen and drink. But how do frogs breathe and drink through their skin? Frog skin is complex: It’s thin, covered in glands that produce mucus to keep the skin moist, and porous enough to allow air molecules to permeate. …

According to a new study, humans can inhale more than 70,000 microplastic particles each day in an indoor environment – far more than previously thought. Worse still, most of them are small enough to penetrate deep into our lungs. Plastic is one of the defining environmental issues of our time, clogging up everything from our waterways to our bloodstreams. Tiny …

Take a deep breath. A flow of air has rushed into your lungs, where the oxygen moves into your bloodstream, fueling metabolic fires in cells throughout your body. You, being an aerobic organism, use oxygen as the cellular spark that frees molecular energy from the food you eat. But not all organisms on the planet live or breathe this way. …

NEW YORK (AP) — As the stock market pushes into record territory and bargains become harder to find, investors are once again turning to some of Wall Street’s beaten down companies in hopes of a quick score. The latest so-called meme stocks are the department store Kohl’s, which has surged this week, and the online-based real estate company Opendoor Technologies, …