Misha Glenny and guests discuss one of the wonders of the natural world. In 1875 in the western Pacific, the crew of HMS Challenger discovered the Mariana Trench which turned out to be deeper than Everest is high, by two kilometres. Trenches like Mariana form when one tectonic pl ...عرض المزيد
The Evolution of Lungs
Melvyn Bragg and guests discuss the evolution of lungs and of the first breaths, which can be traced back 400 million years to when animal life spread from rock pools and swamps onto land, as some fish found an evolutionary advantage in getting their oxygen from air rather than w ...عرض المزيد
Melvyn Bragg and guests discuss how members of the same species send each other invisible chemical signals to influence the way they behave. Pheromones are used by species across the animal kingdom in a variety of ways, such as laying trails to be followed, to raise the alarm, to ...عرض المزيد
Do you ever walk past someone who smells absolutely alluring? Maybe you even do a double take? Scent is a major component of our attraction to those around us, but how much does it actually impact our romantic decisions? Pheromones have long been documented in the animal kingdom, ...عرض المزيد
Have you ever seen perfumes advertised as containing pheromones and therefore increasing your sexual attractiveness or libido? Sounds too good to be true, right? According to Healthline.com, pheromones are "chemical substances that are secreted outside of the body in fluids like ...عرض المزيد
Discover the science of pheromones and unravel the mystery behind their effectiveness. Cosmos Science Journalist, Imma Perfetto, sheds light on what pheromones are, how they work, and whether they truly exist in humans. See omnystudio.com/listener for privacy information.