资讯

Newly discovered fragments of 2,200-year-old star coordinates—once thought lost—reveal the incredible skill of the ancient astronomer Hipparchus. This colored version of a 19th-century ...
The NHBoc group affords ortho selective C–H borylations in arenes and alkenes. Experimental and computational studies support an outer sphere mechanism where the N–H proton hydrogen bonds to a boryl ...
Motorists should expect delays through the end of next month as crews replace a leaking pipeline under a stretch of road that ...
Scientists have discovered that under the right conditions, a gummy bear-like ball can roll down a vertical wall all by itself—upending a core assumption in physics.
IDENTIFIED. TONIGHT WE’RE SEEING BODY CAMERA VIDEO FROM THE MOMENTS HOWARD COUNTY POLICE FOUND A MISSING GIRL IN A FIELD. HER RESCUE WAS COORDINATED EFFORT WITH TEAMS ON THE GROUND AND IN THE ...
A New Zealand MP last month held up an AI-generated nude photo of herself in Parliament to show how easy it is to make fake explicit images and how damaging they can be. Laura McClure, a member of the ...
The sphere might be in an uncommon phase of evolution, or it might be linked to multiple past events instead of a single stellar outburst. A handful of experts see a chance that Teleios could point to ...
The L.A. venue has won an audience for its sports programming and all-encompassing screen. Now it's reimagining how we watch movies.
The three-coordinate imidos (dtbpe)Ni═NR (dtbpe = tBu2PCH2CH2PtBu2, R = 2,6-iPr2C6H3, 2,4,6-Me3C6H2 (Mes), and 1-adamantyl (Ad)), which contain a legitimate Ni–N double bond as well as basic imido ...
WASHINGTON (AP) — The State Department on Thursday notified Congress of an updated reorganization of the massive agency, proposing cuts to programs beyond what had previously been revealed by ...
Sean O’Malley says he fought through injury at UFC 306 due to the Sphere hype. O’Malley and Dvalishvili will rematch at UFC 316 on June 7, presenting ‘Sugar’ with an immediate opportunity ...