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For the first time, scientists have observed a 'civil war' in wild chimpanzees, where a once unified group turned on itself, leading to a years-long conflict. In a study published in the journal Science, researchers detail the dramatic shift in behavior among the Ngogo chimpanzee group in Uganda's Kibale national park.Primatologist Aaron Sandel, who led the research, noted that the conflict began in 2015 when the group's dynamics started to change. A change in social hierarchies, the death of key older individuals, and a disease outbreak in 2017 contributed to the group's fracture. By 2018, two distinct groups had emerged: the western chimps and the central chimps.The conflict escalated into 24 sustained and coordinated attacks by the western group on the central group over seven years, resulting in the deaths of at least seven adult males and 17 infants. This level of in-group violence is rare in the animal kingdom and has significant implications for understanding human conflict.Sandel suggests that human activities disrupting social cohesion, such as deforestation, climate change, or disease outbreaks, could make such inter-group conflicts more common among chimpanzees, who are already threatened with extinction. The study highlights the fragility of social ties and the potential for group cohesion to be disrupted under specific circumstances.Brian Wood, an evolutionary anthropologist, noted that the western chimps increased their Darwinian fitness by decreasing the survival and reproduction of their former community members. This conflict has resulted in the lowest survivorship ever documented in a wild chimpanzee community.

Cambridge University is launching a four-week summer course in botany, inspired by a course taught by Prof John Stevens Henslow to Charles Darwin in the 1820s. The course will use original teaching materials, including plant specimens and illustrations, to teach students about botany.The course aims to address the gap in botany education in the UK, where the subject has largely disappeared as a standalone degree. Dr Raphaella Hull, acting head of learning for Cambridge University Botanic Garden, said that the course will teach students about botany using hands-on techniques and field excursions.The course is based on Henslow's pioneering approach to teaching botany, which emphasized the importance of observing and understanding plant diversity. Henslow's use of illustrations on his course was groundbreaking, and he is credited with influencing Darwin's later theory of evolution.Prof Sam Brockington, curator of Cambridge University Botanic Garden, said that the course is designed to be an immersive program in botany, and that Henslow's approach to teaching botany is still relevant today.

Marcelo Bielsa, the charismatic and intense manager of Uruguay, returns to England for a friendly match against the host team on Friday. This visit comes four years after he left Leeds United, where he had a hugely successful stint, earning promotion to the Premier League and restoring the fanbase's faith in football. Bielsa's managerial style, known for its radicalism and emphasis on playing the right way, has been both admired and criticized. His teams are known for their high-intensity performances, but also for the physical and mental toll it takes on players. His departure from Leeds United was marked by a boom-bust pattern, where his teams initially perform well but eventually suffer from fatigue and decreased results. During his time at Leeds United, Bielsa was praised for his commitment to social responsibility, having players pick up litter to instill a sense of community and responsibility. His approach to football extends beyond the pitch, emphasizing the role of the sport in society. Uruguay's recent performances have been inconsistent, with a 5-1 friendly defeat to the USA in November 2023 being a significant low point. Luis Suárez, a key player, publicly criticized Bielsa, accusing him of isolating players and creating a culture of fear. Suárez's retirement from international football and subsequent comments have added to the uncertainty surrounding Bielsa's tenure. The upcoming friendly against England provides an opportunity for Bielsa to address these concerns and work towards restoring confidence in his team. Getting key players back in form, such as Darwin Núñez, who has not scored an international goal in 11 games, will be crucial. Bielsa's third World Cup may be his last chance to make a significant impact on the global tournament, and he will be looking to make a strong impression.