Scientists still don’t know when or how the giant wombat went extinct. The sheep-sized animal probably weighed about 130 kilograms. A study of the most complete giant wombat skull ever found has revealed that the creature probably had a sizable, fleshy nose and strong muscles for chewing tougher foods, and they did not live in burrows like modern wombats do. Nature | 5 min read Giant wombat skull hints at distinct lifestyleĪ fossilized skull found in a cave in Australia is the 80,000-year-old remains of a giant wombat ( Ramsayia magna). AlphaFold methods aced most tests, but still struggled to predict complexes containing antibodies. This year’s competition added harder problems, such as protein–drug interactions and multi-protein complexes. Two years ago, the deep-learning algorithm, developed by DeepMind, swept a competition in which amino-acid sequences were used to predict proteins’ 3D shapes, which are important for determining their function. Researchers are repurposing AlphaFold, an artificial-intelligence (AI) system that predicts protein structures, to tackle ever-more-complex challenges in the field. Nature | 6 min read Protein-folding AI tackles next big challenge But, in just a few years, we went from that bleak time to transformative treatments and highly effective preventive medication. The early 1980s, when the disease was almost a death sentence, “was one of the darkest periods of my or anybody’s professional career in infectious diseases”, says Fauci. Looking back, he sees the progress against HIV as one the most notable achievements in his field. This month, Anthony Fauci will step down after 54 years at the US National Institutes of Health. Nature | 7 min read “I’m not going to retire in the classic sense” “It’s a big milestone, but NIF is not a fusion-energy device,” says nuclear engineer Dave Hammer. However, NIF’s 192 lasers consumed 322 megajoules of energy in the process. The laboratory’s analysis suggests that the reaction released some 3.15 megajoules of energy - roughly 54% more than the energy that went into the reaction, and more than double the previous record of 1.3 megajoules. “I’m having a cosmo to celebrate,” says Michael Campbell, former director of a fusion laboratory in New York. The breakthrough at the US National Ignition Facility (NIF) has excited the global fusion-research community. ![]() Scientists at the world’s largest nuclear-fusion facility have for the first time achieved the phenomenon known as ignition - creating a nuclear reaction that generates more energy than it consumes. Credit: Jason Laurea/Lawrence Livermore National Laboratory Nuclear-fusion lab achieves ‘ignition’ The US National Ignition Facility has reported that it has achieved the phenomenon of ignition. So grab a handful of nuts or celery and start working on your peace of mind.Hello Nature readers, would you like to get this Briefing in your inbox free every day? Sign up here Stressed individuals tend to crave crunchy things, and it seems that crunching away may be a stress-reducer. National Institutes of Health Go to source X Trustworthy Source PubMed Central Journal archive from the U.S. Just a few minutes of chewing may help lower stress levels, or so some studies have shown. And it doesn’t matter the flavor, either. This fruit has high amounts of linalool, which when smelled has been shown to reduce stress in rats. X Trustworthy Source Johns Hopkins Medicine Official resource database of the world-leading Johns Hopkins Hospital Go to source It may also be able to help regulate your metabolism. Just a little bit (about an ounce and a half) has been shown to reduce cortisol levels, which is the hormone in your body that produces stress. But be careful not to get crumbs in the sheets! If you’re looking for a snack, here’s a few things to put on your relax-in-bed menu: If you’d like, relax with a stress-fighting snack. We’ll talk about how to do this the right way in the next section. ![]() Alright, so the one caveat here is TV if done correctly.To help with this, try staying away from all electronics and artificial light sources that would keep your brain awake for at least one hour before you go to bed.X Trustworthy Source Cleveland Clinic Educational website from one of the world's leading hospitals Go to source Get rid of them and your brain may be able to shut off, too. Apart from the light that they emit (that messes with our sleep-awake cycle), they keep us thinking about the million things we have to do. Having electronics on cues our bodies to stay on the alert.Turn your alarm clock away from you, turn off your phone, shut your computer, and lock the door. Anything else should be turned off and put away. Whether it’s morning or night, you want your relaxing in bedtime to just be you and your bed (and maybe a cup of tea or a book).
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