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Study: Caloric Restriction In Humans And Aging

In mice, caloric restriction has been found to increase aging but obviously mice are not little...

Science Podcast Or Perish?

When we created the Science 2.0 movement, it quickly caught cultural fire. Blogging became the...

Type 2 Diabetes Medication Tirzepatide May Help Obese Type 1 Diabetics Also

Tirzepatide facilitates weight loss in obese people with type 2 diabetes and therefore improves...

Life May Be Found In Sea Spray Of Moons Orbiting Saturn Or Jupiter Next Year

Life may be detected in a single ice grain containing one bacterial cell or portions of a cell...

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Using data from NASA’s New Horizons spacecraft and two telescopes on or near Earth, an international team of scientists has found that one of the solar system’s largest and newest storms – Jupiter’s Little Red Spot – has some of the highest wind speeds ever detected on any planet.

Jupiter’s "LRS" is an anticyclone, a storm whose winds circulate in the opposite direction to that of a cyclone – counterclockwise, in this case. It is nearly the size of Earth and as red as the similar, but larger and more well known, Great Red Spot (GRS). The dramatic evolution of the LRS began with the merger of three smaller white storms that had been observed since the 1930s. Two of these storms coalesced in 1998, and the combined pair merged with a third major Jovian storm in 2000. In late 2005 -- for reasons still unknown -- the combined storm turned red.

Researchers from the Laboratory of Intelligent Systems at Ecole Polytechnique Fédérale de Lausanne (EPFL) have unveiled unveiling a grasshopper-inspired jumping robot that weighs a miniscule 7 grams but can jump 1.4 meters - more than 27 times its body size. That's ten times farther for its size and weight than any existing jumping robot.

These jumpers could be fitted out with tiny sensors to explore rough, inaccessible terrain or to aid in search and rescue operations. "This biomimetic form of jumping is unique because it allows micro-robots to travel over many types of rough terrain where no other walking or wheeled robot could go," explains EPFL Professor Dario Floreano. "These tiny jumping robots could be fitted with solar cells to recharge between jumps and deployed in swarms for extended exploration of remote areas on Earth or on other planets."

A "CatCam” that captures feline-centric video of a forest and a new mathematical model are two elements of a new effort to explain how the brain’s visual circuitry processes real scenes.

The new model of the neural responses of a major visual-processing brain region promises to significantly advance understanding of vision.

The researchers sought to develop the new model because until now, studies of the visual system have used simple stimuli such as dots, bars and gratings.

Two new exoplanets mean that the COROT mission(1) has now found a total of four new exoplanets in its 510 day journey. COROT started observations of its sixth star field at the beginning of May and, during this observation phase which will last 5 months, will simultaneously observe 12,000 stars.

The two new planets are gas giants of the hot Jupiter type, which orbit very close to their parent star and tend to have extensive atmospheres because heat from the nearby star gives them energy to expand. But an oddity dubbed ‘COROT-exo-3b’ has raised particular interest among astronomers. It appears to be something between a brown dwarf, a sub-stellar object without nuclear fusion at its core but with some stellar characteristics, and a planet. Its radius is too small for it to be a super-planet.

We all know that coffee can cure everything.

Now it turns out that even a coffee roasting process - torrefaction - could give biomass a power boost, increasing the energy content of some energy crops by up to 20 percent, making biofuels merely bad instead of awful.

The study, carried out by engineers from the University of Leeds, examined the combustion behavior of crops grown specifically for energy creation when put through the mild torrefaction thermal process usually associated with coffee production.

Plant-eating animals in highly seasonal environments, such as the Arctic, are struggling to locate nutritious food as a result of climate change, according to research in Proceedings of the Royal Society B.

The research, which focused on caribou, suggests that not only are these animals arriving at their breeding grounds too late in the season to enjoy the peak availability of food - the focus of previous research by Post - but they also are suffering from a reduced ability to locate the few high-quality plants that remain before these plants, too, become unavailable.

The team focused their research on caribou in West Greenland as an example of an herbivore species in a seasonal environment. Closely related to wild reindeer, caribou are dependent on plants for all their energy and nutrients. In the spring, they switch from eating lichens buried beneath the snow to munching the new growth of willows, sedges, and flowering tundra herbs. As the birth season approaches, they are cued by increasing daylight to migrate into areas where this newly-emergent food is plentiful.