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| Dark energy survey releases most precise look at the universe's evolution Posted: 27 May 2021 02:25 PM PDT The Dark Energy Survey examines the largest-ever maps of galaxy distribution and shapes, extending more than 7 billion light-years across the Universe. The extraordinarily precise analysis, which includes data from the survey's first three years, contributes to the most powerful test of the current best model of the Universe, the standard cosmological model. However, hints remain from earlier DES data and other experiments that matter in the Universe today is a few percent less clumpy than predicted. |
| Engineered defects in crystalline material boosts electrical performance Posted: 27 May 2021 12:53 PM PDT Researchers have discovered that engineering one-dimensional line defects into certain materials can increase their electrical performance. |
| Parasites as fountains of youth: Study finds infected ants live much longer Posted: 27 May 2021 12:01 PM PDT According to the results of a multi-year scientific study, ants of the species Temnothorax nylanderi show exceptionally high survival rates when infected with a tapeworm. |
| Microbial gene discovery could mean greater gut health Posted: 27 May 2021 11:52 AM PDT As the owner of a human body, you're carrying trillions of microbes with you everywhere you go. These microscopic organisms aren't just hitching a ride; many of them perform essential chemical reactions that regulate everything from our digestion to our immune system to our moods. |
| Posted: 27 May 2021 11:52 AM PDT Long interested in interactions between robots and humans, researchers have created EVA, a new autonomous robot with a soft and expressive face that responds to match the expressions of nearby humans. |
| Gravitational wave search no hum drum hunt Posted: 27 May 2021 08:25 AM PDT The hunt for the never before heard 'hum' of gravitational waves caused by mysterious neutron stars has just got a lot easier, thanks to an international team of researchers. |
| Astronomer reveals never-before-seen detail of the center of our galaxy Posted: 27 May 2021 08:25 AM PDT New research reveals, with unprecedented clarity, details of violent phenomena in the center of our galaxy. |
| Shiny mega-crystals that build themselves Posted: 27 May 2021 08:25 AM PDT Researchers are playing with shape-engineered nanoscale building blocks that are up to 100-times larger than atoms and ions. Although these nano 'Lego bricks' interact with each other with forces vastly different and much weaker than those holding atoms and ions together, they form crystals all by themselves, the structures of which resemble the ones of natural minerals. These superlattices exhibit unique properties such as superfluorescence - and may well usher in a new era in materials science. |
| Spacetime crystals proposed by placing space and time on an equal footing Posted: 27 May 2021 08:24 AM PDT A scientist studying crystal structures has developed a new mathematical formula that may solve a decades-old problem in understanding spacetime, the fabric of the universe proposed in Einstein's theories of relativity. |
| Neotropical river otters in Brazil communicate in a rich vocal range Posted: 26 May 2021 12:01 PM PDT Solitary river otters in Brazil use a rich repertoire of vocalizations during play and conflict, according to a new study. |
| Dive bombing killer flies are so fast they lose steering control Posted: 26 May 2021 08:55 AM PDT Killer flies can reach accelerations of over 3g when aerial diving to catch their prey - but at such high speeds they often miss because they can't correct their course. |
| How 'non-professional' cells can trigger immune response Posted: 26 May 2021 06:30 AM PDT Researchers are finding new details on the complex dynamics involved in how organisms sense an infection from pathogens. The researchers found that worms can sense changes in their metabolism in order to unleash protective defenses, even if they don't directly sense an incursion from pathogens. |
| How army ants' iconic mass raids evolved Posted: 25 May 2021 05:38 PM PDT Researchers combine phylogenetic reconstructions and computational behavioral analysis to show that army ant mass raiding evolved from group raiding through the scaling effects of increasing colony size. The transition evolved tens of millions of years ago and is perfectly correlated with a massive increase in colony size. |
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