Fruit fly males drug their mates and other science news

How a See-Through Frog Hides Its Red Blood From Predators — NY Instances (FREE ARTICLE NO PAYWALL)

At first look, you may miss the glass frog of the Costa Rican rainforest. It’s, because the title suggests, almost clear. Aside from a lime inexperienced smear throughout its again, its pores and skin, muscle and different tissues are see-through. Then there are its tiny organs, which appear to drift inside this clear flesh, like a pale fruit cocktail within the weirdest Jell-O salad ever to grace a tree department.

As useful as translucence may be for evading predators, it’s uncommon in animals that dwell on land. Their our bodies are full of drugs that gentle can’t penetrate, lots of them important for all times. Glass frogs appear to have advanced see-through variations of a few of these anatomical options, however in addition they have some methods to cover lingering colours when they’re at their most weak.

In a research printed in the journal Science on Thursday, researchers report that when a glass frog falls asleep, nearly all of its crimson blood cells retreat into its liver. They cover within the organ and permit the frog to realize close to invisibility whereas it rests. Along with revealing one other exceptional adaptation in nature, the invention might result in clues for how you can stop lethal blood clots…

…what the researchers nonetheless don’t perceive, was how the frogs might cram all these cells collectively with out dying from blood clots. In most vertebrates, when blood cells stumble upon one another, it results in coagulation. The ensuing clot could make a scab to seal a wound — or, if the clot is in a blood vessel, it could actually plug up the circulatory system and kill the creature.

The physical intelligence of ant and robot collectives — science day by day

The other paleo diet: Rare discovery of dinosaur remains preserved with its last meal — science day by day

Microraptor was an opportunistic predator, feeding on fish, birds, lizards — and now small mammals. The invention of a uncommon fossil reveals the creature was a generalist carnivore within the historic ecosystem of dinosaurs.

Discovering the final meal of any fossil animal is uncommon. When McGill College Professor Hans Larsson noticed an entire mammal foot contained in the rib cage of the small, feathered dinosaur, his jaw dropped. Of the numerous tons of of carnivorous dinosaur skeletons, solely 20 circumstances protect their final meals. This new discover makes 21.

“At first, I could not consider it. There was a tiny rodent-like mammal foot a few centimeter lengthy completely preserved inside a Microraptor skeleton. These finds are the one stable proof we now have concerning the meals consumption of those lengthy extinct animals — and they’re exceptionally uncommon,” says Larsson, who got here throughout the fossil whereas visiting museum collections in China.

A type of simple DIY air filter can be an effective way to filter out indoor air pollutants — Tech Xplore

A crew of researchers from Brown College’s College of Public Well being, Brown’s College of Engineering and Silent Spring Institute discovered that easy air filtration units known as Corsi-Rosenthal bins are efficient at lowering indoor air pollution.

The research, which analyzed the effectiveness of Corsi-Rosenthal bins put in on the College of Public Well being to assist stop the unfold of COVID-19, is the primary peer-reviewed research of the efficacy of the bins on indoor pollution, in accordance with the authors. […]

“The findings present that an affordable, easy-to-construct air filter can defend in opposition to sickness brought about not solely by viruses but additionally by chemical pollution,” Braun mentioned. “One of these highly-accessible public health intervention can empower community groups to take steps to enhance their air high quality and due to this fact, their well being.”

Corsi-Rosenthal bins, or cubes, might be constructed from supplies discovered at {hardware} shops: 4 MERV-13 filters, duct tape, a 20-inch field fan and a cardboard field.

Ten times this year the Webb telescope blew us away with new images of our stunning universe — Phys.org

It’s no exaggeration to say the James Webb House Telescope (JWST) represents a brand new period for contemporary astronomy … the JWST is 1.5 million kilometers distant, far past the moon. From this place, away from the interference of our planet’s mirrored warmth, it could actually acquire gentle from throughout the universe far into the infrared portion of the electromagnetic spectrum.

This skill, when mixed with the JWST’s bigger mirror, state-of-the-art detectors, and lots of different technological advances, permits astronomers to look again to the universe’s earliest epochs.

Because the universe expands, it stretches the wavelength of sunshine touring in the direction of us, making extra distant objects seem redder. At nice sufficient distances, the sunshine from a galaxy is shifted solely out of the seen a part of the electromagnetic spectrum to the infrared. The JWST is ready to probe such sources of sunshine proper again to the earliest occasions, almost 14 billion years in the past.

Let’s take a look at ten photos which have demonstrated the staggering energy of this new window to the universe.