(Reuters) -China's Foreign Minister Qin Gang told U.S. Secretary of State Antony Blinken in a phone call on Wednesday that

Ever wondered why people say they can smell rain before it rains? They are not pulling your leg - there is real science behind it. It is all because of petrichor, made up from the Greek words "petra", meaning stone, and '"ichor", which refers to the golden fluid that flows in the veins of the gods in their mythology. It basically means the the "smell of rain" with the phrase coined by Australian scientists Joy Bear and Richard Thomas in 1964. Jeff Weber, a meteorologist with the University Corporation for Atmospheric Research Unidata Program Center told the Mirror: "Petrichor is caused by oils derived from plants, primarily leaves, that accumulate over dry periods. These oils settle into soils or onto pavement over time and are released into the atmosphere by being disturbed by rainfall." According to the Met Office, the reason people claim to smell rain because it comes is because "when a higher humidity is experienced as a precursor to rain, the pores of rocks and soil become trapped with moisture forcing some of the oils to be released into the air". Sign up to our free Indy100 weekly newsletter Despite some being released before it actually rains, the strongest smell is released during. This is when raindrops landing on soil "trap tiny air bubbles on the surface which then shoot upward" and "burst out of the drop throwing aerosols of scent into the air where they are then distributed by the wind". The smell is produced by a soil bacteria which releases a chemical called geosmin, which provides an "earthy", musky or fresh aroma. Before it rains, a person might be able to smell the scent of ozone, or O3, which is a naturally present gas in the atmosphere which gets its name from the Greek word 'ozein', or smell. It sometimes indicate that a storm is on the way because pockets of gas are pushed down to ground level by winds. This means that those who are sensitive to the smells will likely be able to pick them up. So now you know. Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings.

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Former president Donald Trump reportedly further strained his relationship with Republican party leadership in Iowa after failing to show up for senator Joni Ernst's annual "Roast and Ride" charity. Except for Mr Trump, eight of the GOP 2024 presidential election hopefuls were present at the senator's charity event last month – a combination of barbecue-rally and motorcycle rides that kick off a busy summer campaign season heading into the first-in-the-nation caucuses. Florida governor Ron DeSantis, former vice president Mike Pence, US senator Tim Scott, former UN ambassador Nikki Haley and other candidates dressed for the occasion in leather and reached out to supporters. Mr Trump declared that he would not participate in the event but his campaign had expressed interest in sending videotaped remarks to be played for the crowd, according to a New York Times report. However, the former president failed to send the videotape, allegedly leaving Ms Ernst’s operation with a large bill that was wasted on renting screens for the purpose of showing the tape. The former president also potentially ruined the senator's plan to use a motorcycle helmet signed by all of the Republican candidates to sell tickets to the event. The event organisers sent the helmet to Mr Trump, who returned it later than expected and had added the numbers '45' and '47,' signaling he would be the next president. The helmet was never used, the newspaper said. The presidential hopefuls during the event all tiptoed around mentions of the 45th president. Ms Haley repeated a version of a line she has been using as a candidate that seems to allude to Mr Trump and his political career as replete with controversies. “It’s time for a new-generation leader. We’ve got to leave the baggage of the negativity behind,” she said. Meanwhile, Mr Trump in Iowa earlier this week attacked the Florida governor as an enemy of corn-based ethanol in his largest campaign event in the state. The former president spoke to more than 1,000 Iowans and Nebraskans packed into the event hall inside Mid-America Center. Mr Trump declared himself “the most pro-farmer president that you’ve ever had” at the event, which was aimed at promoting his administration’s agricultural record. “I fought for Iowa ethanol like no president in history,” he said. Read More Trump and DeSantis begin eyeing Super Tuesday states as they prepare for 2024 long game Trump says ‘damaged’ DeSantis is ‘desperately trying to get out’ of 2024 race Trump lawyer Alina Habba leaves his defence team in New York fraud case Mexico's president breaks with tradition in quarrel with scrappy opposition upstart A competitive race for an open House seat is taking shape in a Michigan battleground district Trump wanted to tap phones of White House aides, new book claims

By David Lawder WASHINGTON The U.S. government posted a rare August surplus of $89 billion due to the