Short Wave

Diana Roman, a volcanologist at the Carnegie Institution for Science, discusses the dramatic increase of nearly 2,000 earthquakes in Iceland, signaling potential volcanic unrest. She explains how the seismic activity reflects magma moving closer to the surface. The conversation highlights the unique geological features of Iceland, where tectonic plates meet magma plumes, creating a hotspot for earthquakes and eruptions. Roman also clarifies the nature of earthquake swarms and the hazards posed by an impending eruption, especially if it occurs underwater.

In the 18th century, astronomers embarked on daring expeditions to track Venus's transit across the sun. This ambitious quest aimed to unlock crucial measurements of our solar system. The challenges were immense, with storms and shipwrecks threatening explorers. Discover how the principle of parallax played a key role in these scientific endeavors. The podcast also connects historical efforts to modern missions, showcasing our ongoing quest to map the cosmos and deepen our cosmic understanding.

In a captivating conversation, Fei-Fei Li, a renowned computer scientist and AI pioneer, shares her journey from China to the U.S. and reflects on her memoir, "The Worlds I See." She discusses the pivotal role of human-centered design in AI development, emphasizing the importance of ethics and responsibility. Li explores the potential of AI in enhancing fields like healthcare and education, while also cautioning against the pitfalls that can arise from rapid technological advancement. Her insights offer a thoughtful look at the future of AI and its impact on society.

Lubna Dada, an atmospheric researcher specializing in cloud formation, joins to explore the intriguing connections between trees and clouds. She discusses how trees release gases that transform into aerosol particles, impacting climate patterns. Dada highlights a cutting-edge chamber simulating Earth's atmosphere for precise experiments. The conversation also delves into how stressed trees emit sesquiterpenes, vital for cloud formation, and the significance of plant emissions in refining climate models. It's a captivating look at nature's subtle influence on our future!

Dawn Wright, a marine geographer and chief scientist at the Environmental Systems Research Institute, sheds light on the ambitious global goal of mapping 100% of the seafloor by 2030. She discusses the groundbreaking use of sonar technology, revealing how sound pulses create detailed images of underwater landscapes. Wright highlights the critical importance of this mapping for natural disaster preparedness, energy infrastructure, and global internet connectivity. A call to action for community involvement underscores the urgency of this vital initiative.

Did you know pulling an all-nighter might offer a brief boost against depression? Researchers found it can elevate mood in mice by increasing dopamine levels, hinting at potential human implications. Meanwhile, alarming declines in Antarctic sea ice raise concerns about climate change. The podcast also explores a playful twist on starfish anatomy, challenging traditional views. Tune in for fascinating insights blending serious science with light-hearted discussions!

Jordona Kirby, a wildlife biologist with the USDA, delves into the innovative approaches to combat rabies among raccoons. She explains how millions of oral vaccines are distributed, often via aerial drops, in an effort to eliminate rabies in targeted regions. The conversation touches on the challenges of this initiative, from urban to rural distribution, and the evolution of rabies management strategies in the U.S. Kirby also discusses the importance of public education in addressing rabies beyond raccoons, especially concerning bats.

César de la Fuente, a bioengineering professor at the University of Pennsylvania, discusses the potential of our ancient relatives in the fight against antibiotic resistance. He highlights how machine learning is used to uncover new antibiotics from ancient molecules, specifically those from Neanderthals and Denisovans. De la Fuente delves into ethical concerns surrounding de-extinction and shares insights on a promising peptide called Neanderthaline 1. The conversation is a fascinating blend of ancient science and modern medicine, perfect for curious minds.

Jon Hamilton, NPR science correspondent and expert on brain mapping, joins to discuss a groundbreaking atlas detailing over 3,000 brain cell types. This innovative map, part of the NIH's BRAIN initiative, sheds light on brain structure and function, potentially enhancing our understanding of human uniqueness and disease roles. Discover the fascinating connections between technology, ethics, and research, along with the quirky reference to 'splatter neurons,' making complex science relatable and engaging!

Nate Rott and Ryan Kellman, reporters highlighting the plight of the Key deer, dive into how rising sea levels threaten this pint-sized deer native to the Florida Keys. They discuss the critical habitat loss faced by the species and the urgent conservation efforts required. The conversation uncovers the ethical dilemmas wildlife managers confront while trying to adapt to rapid climate change. With only about 1,000 Key deer left, the implications for their survival pose tough questions about our role in conservation amidst environmental upheaval.