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Bears: Facts about the furry omnivores that live in many parts of the worldDiscover interesting facts about the different types of bears and learn why not all bears hibernate.
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Cats: Facts about our feline friendsDiscover interesting facts about cat intelligence, how they see the world, and why we keep them around.
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Dolphins: Facts about the intelligent marine mammals that use tools to huntDiscover interesting facts about how dolphins sleep, if they're dangerous, and what they eat.
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Whales: Facts about the largest animals on EarthDiscover interesting facts about whales, how big they can get, and how they track down their prey.
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How do fitness trackers measure your heart rate?Everything you need to know about photoplethysmography (PPG), the technology behind heart rate measurements in fitness watches and smart rings.
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Dinosaurs: Facts about the reptiles that roamed Earth more than 66 million years agoDiscover interesting facts about when dinosaurs lived, why they died and how big they got
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Best Lego sets for adults 2025: Science, nature & engineering sets for curious mindsFrom sets celebrating architecture and famous art to clever designs, these are the best Lego sets for adults.
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How does rowing affect your heart, and is it different to running?References Rowing machines and treadmills do not challenge your cardiovascular system in the same way, so what is the science behind it?
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Earth: Facts about the Blue PlanetDiscover interesting facts about how Earth formed, what it's made of and more.
