What's Killing Ancient Baobab Trees?

These marine invertebrates can solve puzzles, use tools, and camouflage themselves by changing their very skin -- yet they live only three to five years, and die after mating. Learn more about octopuses in today's episode of BrainStuff, based on these articles: https://animals.ho ... Show More

Iron processing is a benchmark of civilization for good reason -- this metal makes a lot of technology possible. Learn about the history and science of refining iron and steel in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/iron.htmSee o ... Show More

In the mid-1900s, Dorothy Kilgallen was a famous journalist and popular media personality -- but her investigation into the deaths of President Kennedy and his assassin, Lee Harvey Oswald, may have gotten her killed, too. Learn about the alledged organized crime coverup Kilgallen ... Show More

Tree mortality in tropical moist forests in Australia has been increasing since the mid 1980s. The death rate of trees appears to have doubled over that time period. According to an international team of researchers, the primary cause is drier air in these forests, the consequenc ... Show More

Old, big trees are dying faster than in the past, leaving younger, less biodiverse forests that store less carbon worldwide. Learn more about your ad choices. Visit megaphone.fm/adchoices 

Way back when forests first evolved on Earth … they might have triggered one of the biggest mass extinctions in the history of the planet. What can we learn from this ancient climate apocalypse? For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplaina ... Show More

Daniel and Kelly talk about the science behind aging trees, and why some trees live so long. See omnystudio.com/listener for privacy information. 

From the ashes of the giants of Big Basin Redwoods State Park arise a history of fire suppression and real questions about what happens to the forests in a drought-stricken West Coast going forward. Learn more about your ad choices. Visit megaphone.fm/adchoices 

The answer isn’t as clear as you might think. And because of drastic cuts to climate science funding, this question might be getting even harder to solve. Guest: Umair Irfan, Vox climate science correspondent For show transcripts, go to ⁠⁠⁠⁠⁠⁠vox.com/unxtranscripts⁠⁠⁠⁠⁠⁠ For more ... Show More

Scientists have found problems with the Earth's natural defences against climate change. SUBTITLES Find full subtitles for this episode and more programmes to help you with your English at: https://www.bbc.co.uk/learningenglish/english/features/learning-english-from-the-news_2024 ... Show More