Seventh-ranked Max Homa set a course record with an eight-under par 62 to seize a two-stroke lead after Friday's second round of the PGA Tour's BMW Championship...

Tyson Fury has vowed to fight Oleksandr Usyk for the chance to become the undisputed king of heavyweight boxing as the Ukrainian confirmed their meeting on 23 December in Saudi Arabia. Usyk was ringside for Fury’s unconvincing split-decision victory over ex-UFC champion Francis Ngannou in Riyadh on Saturday night. MMA star Ngannou shockingly went the distance in his boxing debut, even knocking down reigning WBC heavyweight champion Fury at one point, but Fury remained undefeated. Two judges gave Fury the fight by scores of 96-93 and 95-94, and the other judge favoured Ngannou 95-94. Fury’s championship belt was never on the line in this bout, though it counts as an official fight. Good thing for Fury, because Ngannou showed early in the scheduled 10-round fight that he wasn’t going anywhere. Afterwards Usyk, who owns the other three global heavyweight belts, turned attention to their showdown, saying: “It’s a big fight. The whole world wants this fight. We’re back in this ring, 23 December, thank you very much, I go to sleep.” Fury said: “It’s been going on a long time, let’s do the fight, over here, for all the belts, the undisputed title of the world. Listen, it’s not up to me, we’d go now. These guys will sort it out, it’ll be my next fight guaranteed.” Fury’s promoter Frank Warren said: “I don’t think the date will be announced just yet. This fight is on. Both fighters want it. Tyson’s got a cut there. We’ll see how it heals. It’s the biggest fight in boxing. Everybody wants to see it. They’ll see it in Saudi, it’ll break all box office records.” Fury had previously criticised the timing of an initial announcement of his fight with Usyk, which came out during his preparations for Ngannou. “It wasn’t my choice,” the Briton, 35, said on The MMA Hour on Wednesday 25 October. “I would never in a million years do that, but the people who are putting these fights on, who are paying the money, they’re in control. They’re the promoters of the event. “So, the paymaster does what the paymaster wants, basically. But if it was up to me, I would have never, ever, ever done that, ever. Because I never count chickens before they hatch, ever [...] They should never announce fights before the first one happens, because that’s how people get knocked out. “But I’m not even looking at the next fight. I’m only concentrating on Francis. If it means breaking these two hands and getting a cut right through [my eyebrow] to win, I will do it. Don’t worry about that. Nothing else matters, only Saturday night. “I wasn’t happy at first, for them to announce it, but there was a lot going on in the background. For me, I don’t concentrate on any other fight other than Saturday night. What happens in the future stays in the future. “I’m living for today and this moment. My moment now is to fight Francis for the ‘baddest man on the planet’ title, and when I’ve won that, only after I’ve won that, I won’t even think about my next [fight] until I’ve had a week off and spent some time with my family. I’ve been in camp 12 weeks.” Read More Tyson Fury survives knockdown to beat Francis Ngannou by controversial decision David Adeleye punches referee on Fury v Ngannou undercard Fury vs Ngannou stream fails as fans left with screeching sound Amir Khan gifts Eminem luxury watch before clashing with fan over gesture Cristiano Ronaldo ‘punches’ Tyson Fury as pair joke ahead of Francis Ngannou fight How much money are Fury and Ngannou earning for fight tonight?

Everybody hurts sometimes – even the most basic worms in the animal kingdom which have no eyes, spine or brain. That’s what scientists have found out about nematode species Caenorhabditis elegans, which possesses basic emotions such as fear. Researchers zapped the worms to see if they would display negative reactions, and the worms continued to “flee” at high speeds for minutes after. The scientists at Nagoya City University in Japan and Northeastern University in the US said the response shows a brain state which is comparable to fear in humans. "These properties have been recently regarded as essential features of emotion, suggesting that C. elegans response to electric shock may reflect a form of emotion, akin to fear," the researchers wrote. The findings are the most recent in a debate over which animals can experience primitive versions of our own emotions. Crayfish and bumblebees have all shown animals can have lasting positive and negative mental states. C. elegans is one of the most basic worms in the animal kingdom. At about 1mm in length it is also tiny and transparent, with no brain, sight or smell. Nonetheless, worms which sensed an electric current for 45 seconds “ran away” for more than two minutes. During this state, they ignored food which was placed nearby, instead scurrying at high speeds. This suggests that the emotional response could be triggered by different stimuli and that one stimulus could inhibit responses to others. When the shock was just five seconds long, the worms fled for a minute and a half before calming down. And when the researchers repeated the experiments with worms that were not to produce neuropeptides – which are the equivalent to human hormones – the worms stayed in a state of fear for longer. "Because the requirement of neuropeptide signaling [in worms] is reminiscent of neuropeptide regulation of fear in mammals including humans, the fear-like brain state may be regulated by evolutionarily conserved molecular mechanisms," the authors of the study wrote. Sign up to our free Indy100 weekly newsletter 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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