A federal judge has declared a mistrial in the trial of a former Louisville police officer who fired stray bullets in the deadly Breonna Taylor raid

"DeSantisland" was likely not the happiest place on Earth on Thursday.

Stocks in Asia are set to follow a surge on Wall Street after an unexpected inflation slowdown bolstered

Researchers funded by the US Air Force are developing a new type of device that can invite comparisons to a weapon used by a Batman villain. Scientists, including Patrick Hopkins from the University of Virginia in the US, are working on a new device to be used for on-demand surface cooling for electronics inside spacecraft and high-altitude jets. The device may seem similar to the freeze gun used by Batman villain Mr Freeze to “ice” his enemies. “A lot of electronics on board heat up, but they have no way to cool down,” said Dr Hopkins, whose lab has been granted $750,000 over three years to develop the technology. On Earth, electronics in military craft can rely on nature to cool themselves, but in space, this may be a challenge, scientists said. Citing an example, researchers said the Navy uses ocean water in its liquid cooling systems while flying jets can rely on air that is dense enough to help keep components chilled. “With the Air Force and Space Force, you’re in space, which is a vacuum, or you’re in the upper atmosphere, where there’s very little air that can cool,” Dr Hopkins said. “So what happens is your electronics keep getting hotter and hotter and hotter. And you can’t bring a payload of coolant onboard because that’s going to increase the weight, and you lose efficiency,” he explained. In such extra-terrestrial environments, a jet of plasma, the fourth and most common state of matter in the universe, can be used in the interior of a craft. “This plasma jet is like a laser beam; it’s like a lightning bolt. It can be extremely localized,” Dr Hopkins explained. One of the strange qualities of plasma is that while it can reach temperatures as hot as the surface of the Sun, it chills before heating when it strikes a surface. In the new research, published recently in the journal ACS Nano, scientists fired a purple jet of plasma generated from helium through a hollow needle encased in ceramic, targeting a gold-plated surface. When researchers turned on the plasma, they could measure temperature immediately at the point where the plasma hit, and could see that the surface cooled first and then heated up. “We were just puzzled at some level about why this was happening, because it kept happening over and over,” Dr Hopkins said. “And there was no information for us to pull from because no prior literature has been able to measure the temperature change with the precision that we have. No one’s been able to do it so quickly,” he said. The strange surface-cooling phenomenon, according to scientists, was the result of blasting an ultra-thin, hard-to-see surface layer, composed of carbon and water molecules. Researchers compare this to a similar process that happens when cool water evaporates off of our skin after a swim. “Evaporation of water molecules on the body requires energy; it takes energy from body, and that’s why you feel cold. In this case, the plasma rips off the absorbed species, energy is released, and that’s what cools,” the researchers explained. Using the method, scientists could reduce the temperature of the setup by several degrees for a few microseconds. While this may not be dramatic, they said it is enough to make a difference in some electronic devices. Now, thanks to the Air Force grant, researchers are looking at how variations on their original design might improve the apparatus. “Since the plasma is composed of a variety of different particles, changing the type of gas used will allow us to see how each one of these particles impact material properties,” researchers said. Read More Scientists discover 3,000-year-old arrowhead made of ‘alien’ iron Carcinogens found at nuclear missile sites as reports of hundreds of cancers surface India’s moon rover confirms sulphur and detects several other elements near the lunar south pole China’s ‘government-approved’ AI chatbot says Taiwan invasion likely Russian cyber-attacks ‘relentless’ as threat of WW3 grows, expert warns How new bike technology could help cyclists tell drivers not to crash into them

From what makes red velvet cake red (and velvet, for that matter) to its highly dubious origin story, here’s what you need to know about this delicious dessert.

More than half a million people were left without power in Crimea, Russia and Ukraine after a storm in the Black Sea area flooded roads, ripped up trees and took down power lines, Russian state news agency Tass and Ukraine's energy ministry said. Meanwhile, the Moscow region experienced its heaviest snowfall in 40 years, the governor said. The storms and snowfall were part of a weather front that left one person dead and many places without electricity amid heavy snow and blizzards in Romania and Moldova on Sunday. The head of Russia's national meteorological service said the storm that hit Crimea was the most powerful since record keeping began, state news agency RIA Novosti reported. Crimea was annexed from Ukraine by Russia in 2014 and is a key military and logistics hub for Russia as it pursues its war in Ukraine. It is unclear whether the storm damaged any Russian military equipment or defenses. The storm also hit southern Russia and sent waves flooding into the beach resort of Sochi, blew the roof off a five-story building in Anapa and damaged homes and schools in Kuban, the state news agency said. It also caused a cargo ship to run aground near Anapa. Local Russia-installed officials said one person died in Crimea after going out to look at the waves in a village near the town of Sudak in the southern part of the peninsula, while other people were hospitalized or evacuated from their homes. The government in Crimea told people to stay at home on Monday and closed government facilities including schools and hospitals as strong winds were expected to continue. The storm prompted several Crimean regions to declare a state of emergency, Tatyana Lyubetskaya, a Russia-installed official at the Crimean environmental monitoring department, told Tass. Roman Vilfand, the head of Russia’s national meteorological service, told RIA Novosti that a similar storm hit the region in November 1854 during the Crimean War. It aused at least 30 ships to sink off Crimea’s coast, RIA Novosti said. The head of one Crimean region, Natalia Pisareva, said everyone in the Chernomorske area of western Crimea lost water supply as well as central heating because pumping stations had lost power. There were also reports of a problem with a gas pipeline in Saky in western Crimea. Around 800 exotic fish died in an aquarium in Sevastopol after the room they were in was flooded, the Crimea 24 TV channel reported. The fish, including pikes and piranhas, died from thermal shock after cold sea water flooded the aquarium, the aquarium director told RIA Novosti. Ukraine's Ministry of Energy said more than 2,000 towns and villages were without electricity in 16 Ukrainian regions, including Kyiv, Odesa and Mykolaiv. It said it expected the weather to worsen, with forecasters predicting more strong winds and snowfall. In southern Russia, the Caspian Pipeline Consortium stopped crude oil loading at the Novorossiysk port on Monday due to “extremely unfavorable weather conditions,” including winds of up to about 86 kilometers (54 miles) per hour and waves of up to 8 meters (26 feet). Heavy snow in the Moscow region caused drifts of up to 25 centimeters (almost 10 inches), three times more than normal, Tass said. Andrei Vorobyov, the governor of the Moscow region, said about 3,000 people worked to clear the streets after the heaviest snowfall in 40 years. In Serbia, heavy snow that fell over the weekend left villages cut off and thousands of people without electricity. A 53-year-old man was reported missing on Sunday in central Serbia and the search for him is continuing, RTS state television reported. Read More Ukraine aims a major drone attack at Crimea Russia puts Ukrainian winner of 2016 Eurovision on wanted list Ukraine's troops work to advance on Russian-held side of key river after gaining footholds Ukrainian marines claim multiple bridgeheads across a key Russian strategic barrier Russia admits Ukrainian troops crossed Dnipro river but says ‘fiery hell’ awaits them Blow for Putin as Ukraine takes major step in bid to outflank Russian troops

The federal judge overseeing the election subversion case against Donald Trump in Washington, DC, placed a limited gag order on the former president after his continued attacks against potential witnesses, prosecutors and the court itself, following a testy hearing Monday.

'These two brothers love each other, can't say the same about Logan,' a follower of Dillon Danis said

Six people have been killed and at least 14 injured in a Russian missile attack that hit a postal distribution centre in the war-devastated northeastern Ukrainian city of Kharkiv, Ukrainian officials have said. Oleh Synehubov, the region’s governor said on Telegram that several of the wounded were in serious condition in hospital, adding that all those killed and injured were postal workers. “Russian missiles hit the Nova Poshta centre - an ordinary civilian object,” President Volodymyr Zelenksiy said on the Telegram messaging app. It comes as Ukrainian forces damaged and destroyed almost 50 Russian tanks in just 24 hours as Vladimir Putin’s troops launched a fresh offensive in the Donetsk region, according to a US war think tank. The Insitute for the Study of War (ISW) said Russian forces launched a renewed attack near Adviika on Friday and “marginally advanced”, indicating Moscow’s commitment to offensive operations in the area “despite heavy materiel and personnel losses”. This includes the damage and destruction of almost 50 Russian tanks and over 100 armored vehicles by Ukrainian forces during the past day of fighting, reported the Ukrainian General Staff on Friday, according to the ISW. Read More Russian fighters ‘scrambled over Black Sea to prevent British warplanes approaching Russian airspace’ Biden calls to maintain ‘American leadership’ with aid package for Ukraine and Israel Ukraine's parliament advances bill seen as targeting Orthodox church with historic ties to Moscow Putin says Russia ‘will be able to repel’ Ukraine’s new weapons used to damage Kremlin’s air assets

Garcia, who was armed with an AR-15, was killed by a police officer after confrontation

Reports say eight Indian men who worked in Qatar have been sentenced to death on spying charges.

The United States has condemned China's reported sentencing of prominent Uyghur academic Rahile Dawut to life in prison, calling for the immediate release of the scholar known for documenting folklore and traditions of the Muslim minority in China's northwestern Xinjiang region.