Among mammals, larger species generally have longer lifespans, ranging from a few years for mice to nearly 200 years for some whale species. However, when scientists examine differences within each species, they often find exactly the opposite: smaller animals tend to live longer than their larger counterparts. This is particularly evident in dogs. Great Danes … Read more
Chemicals and materialsPS microplastic powder with pristine surfaces was purchased with analytical standard grade from Sigma-Aldrich. PS microplastics with different morphologies were purchased from Thermo Fisher and Chem-Impex. The surface purity of model PS microplastics was characterized by X-ray photoelectron spectroscopy (PHI Versaprobe II X-ray Photoelectron Spectroscope) before subsequent experiments. PE, PMMA and PVC were … Read more
Elon Musk has suggested that the US government may be behind restrictions on the speed at which some of Ukraine’s weapons can travel and remain connected to SpaceX’s Starlink internet network. Starlink is a vital tool that allows kyiv to guide drones to Russian targets and also protect its own skies, but on Tuesday night … Read more
SEATTLE — A gas station attendant shot to death outside Seattle Center early Tuesday was identified by his family as Graeme Dobbeck, 36, manager of the 76 gas station for more than two years. Police said the gunman bought a drink before shooting Dobbeck and left without taking anything. Employee shot dead inside gas station … Read more
Colombian Foreign Minister Omar Bula Escobar announced Wednesday that his country was withdrawing from The Hague Group, a coalition of countries seeking diplomatic, legal and economic measures against Israel over the war in Gaza, while delivering an emotional speech celebrating the restoration of diplomatic relations between the two countries. Speaking at a reception at Israel’s … Read more
Dow Jones futures fell overnight, while S&P 500 futures and especially Nasdaq futures fell on Anthropic’s earnings reports. Chipmaker Nvidia Taiwan Semiconductor Manufacturing (TSM) and PPI inflation report are on the horizon. The stock market suffered heavy losses on Wednesday, with the S&P 500 and Nasdaq testing critical support. Shares of CoreWeave (CRWV) and neocloud … Read more
In the southern constellation of Fornax lies a small patch of sky like any other. Your eyes may have passed it hundreds of times without thinking about it. Yet this otherwise nondescript speck of the cosmos is among the best cataloged in the sky. The Hubble Space Telescope observed it for more than 270 hours … Read more
Rams offensive tackle Alaric Jackson had his suspension reduced to one game on appeal Wednesday. He will be on unpaid leave Sunday when the Rams play the Cardinals. Bills pass rusher Bradley Chubb, who took a hit from Jackson after Monday night’s game, said he learned a valuable lesson from the incident. “I, personally, learned … Read more
Peters, AJ, Chen, SX and Komiyama, T. Emergence of reproducible spatiotemporal activity during motor learning. Nature 510, 263–267 (2014). Article ADS CAS PubMed Google Scholar Guo, L. et al. Dynamic rewiring of neuronal circuits in the motor cortex in mouse models of Parkinson’s disease. Nat. Neurosciences. 18, 1299–1309 (2015). CAS Article PubMed PubMed Central Google … Read more
I’m 12 and I want to try protein powder – should I? BBC