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  • Tooth and Claw: Killer Whales
    Investigating the black-and-white apex predator of the sea – the killer whale! Able to predate even great white sharks, this marine mammal is the largest member of the dolphin family. From tropical seas, to the Arctic and Antarctic, killer whales (or orcas) are found across the world. Living in family groups and often led by a post-menopausal matriarch, killer whales have passed on their hunting methods, which vary depending on which prey they specialise in hunting, through the generations.Presenter Adam Hart finds out about the killer whales incredible social behaviours (such as wearing salmon as hats) and hears how a dog is helping killer whale researchers access a gold mine of information about this predator. He also hears what challenges killer whale populations are facing and why killer whales may be attacking boats off the coast of the Iberian peninsula.Contributors:Dr. Leigh Hickmott, whale biologist and conservationist, who is an expert on Pack Ice killer whales, and whose research uses them as indicators to assess human disturbance of marine habitats.Dr. Deborah Giles, who is an expert on Southern Resident killer whales, based with the SeaDoc Society, a program of the Karen C. Drayer Wildlife Health Center at the UC Davis School of Veterinary Medicine.Presenter: Professor Adam Hart Producer: Jonathan Blackwell(Photo: Killer Whales, Credit: Serge MELESAN via Getty Images)
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  • The Life Scientific - Tim Peake
    What's it like living underwater for two weeks? What's the trickiest part of training to be an astronaut? What are the most memorable sights you see from space? Several extreme questions, all of which can be answered by one man: Major Tim Peake. After a childhood packed with outdoor adventures, via the Cub Scouts and school Cadet Force, Tim joined the British Army Air Corps and became a military flying instructor then a test pilot; before eventually being selected as a European Space Agency (ESA) astronaut. In 2015, Tim became the first British ESA astronaut to visit the International Space Station. Over the course of a six-month mission, he took part in more than 250 scientific experiments and worked with more than two million schoolchildren across Europe. In a special New Year’s episode recorded in front of an audience at London’s Royal Society, Professor Jim Al-Khalili talks to Tim about his lifelong passion for adventure, the thrill of flight and why scientific experiments in space are so important. Presented by Jim Al-Khalili Produced by Lucy Taylor
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  • How does heat affect our health?
    What effect will warming temperatures have on health? One place to look for answers is Bulgaria. In the summer of 2023, Bulgaria experienced numerous heatwaves, leading to the country experiencing one of the highest rates of heat mortality in Europe. But how are these numbers calculated? How exactly does heat affect us? Who is most likely to suffer from ill health due to heat? And how can we protect ourselves in an increasingly warming world? Along with a panel of experts, Claudia Hammond will explore these questions and more with a live audience at the Sofia Science Festival in Bulgaria. Are we prepared for how rising temperatures will affect our health? This programme aims to find out.
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  • Unstoppable: Inge Lehmann
    From growing up in a progressive Denmark to studying mathematics at a gender-segregated Cambridge University, Inge Lehmann had to power through the shock of cultural change to pursue her love of mathematics. Whilst managing several seismological stations, Inge notices the peculiar readings in the data she was collecting. Was the Earth’s composition actually different to what the experts had thought?Dr Julia Ravey and Dr Ella Hubber tell the story of Danish seismologist Inge Lehmann who used earthquakes to uncover the truth about the composition of the Earth’s inner core.Presenters: Ella Hubber and Julia Ravey Guest Speakers: Dr Lif Lund Jacobsen and Dr Trine Dahl-Jensen Producers: Ella Hubber and Julia Ravey Assistant producers: Sophie Ormiston, Anna Charalambou and Josie Hardy Sound designer: Ella Roberts Production co-ordinator: Ishmael Soriano Editor: Holly Squire (Photo: Inge Lehmann Credit: Neuhaus, Even (6.2.1863-20.4.1946) /Royal Danish Library)
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  • Unstoppable: Tebello Nyokong
    Dr Julia Ravey and Dr Ella Hubber are both scientists, but it turns out there’s a lot they don’t know about the women that came before them. In Unstoppable, Julia and Ella tell each other the hidden, world-shaping stories of the scientists, engineers and innovators that they wish they’d known about when they were starting out in science. This week, the story of a woman who gained her education by herding sheep during her childhood to becoming one of Africa’s most prominent scientists.Born under Apartheid in South Africa, Tebello Nyokong and her family uprooted their lives to escape the unequal education system enforced upon Black South Africans. After herding sheep proved she could do anything a boy could do, Tebello ended up studying science and found a love for chemistry. In the face of limited opportunities, she once again uprooted her life and took her studies oversees, but this was when she was introduced to something huge: a new, ground-breaking cancer treatment. Now Tebello is using nanotechnology to get this therapy off the ground, all while she fights to make Africa a science superpower.Presenters: Ella Hubber and Julia Ravey Guest Speaker: Professor Tebello Nyokong Producers: Ella Hubber and Julia Ravey Assistant producers: Sophie Ormiston, Anna Charalambou and Josie Hardy Sound Designer: Ella Roberts Production Coordinator: Ishmael Soriano Editor: Holly Squire (Image: Professor Tebello Nyokong. Credit: Professor Tebello Nyokong)
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