Extreme heat. Extreme cold. Extreme pressure. Toxic gases. Scorching magma flows, and ice volcanoes. Interior tides. Asteroids filled with gold. In What’s Hidden Inside Planets? planetary scientist Dr. Sabine Stanley cracks the surface to reveal the beating heart of planets and what created them—from the building blocks of swirling cosmic dust, pebbles, and gas to coalesced planetesimal beginnings to the worlds we see today. We’re only beginning to explore the secretive interiors of planets, where awe-inspiring wonders await. […Learn More]
Get submerged in the amazing world of sharks! Your expert host, award-winning marine biologist Dr. David Shiffman, will show you how—and why—we should protect these mysterious, misunderstood guardians of the ocean.
Sharks are some of the most fascinating, most ecologically important, most threatened, and most misunderstood animals on Earth. More often feared than revered, their role as predators of the deep have earned them a reputation as a major threat to humans. But the truth is that sharks are not a danger to us—they’re in danger from us. […Learn More]
People across the world know that to tell how old a tree is, you count its rings. Few people, however, know that research into tree rings has also made amazing contributions to our understanding of Earth’s climate history and its influences on human civilization over the past 2,000 years. In her captivating book Tree Story, Valerie Trouet reveals how the seemingly simple and relatively familiar concept of counting tree rings has inspired far-reaching scientific breakthroughs that illuminate the complex interactions between nature and people. […Learn More]
Throughout the Age of Exploration, European maritime communities bent on colonial and commercial expansion embraced the complex mechanics of celestial navigation. They developed schools, textbooks, and instruments to teach the new mathematical techniques to sailors. As these experts debated the value of theory and practice, memory and mathematics, they created hybrid models that would have a lasting impact on applied science. […Learn More]