Biodiversity in the Sixth Mass Extinction. The sixth mass extinction currently underway is due to a combination of climate change and destruction of natural habitats. Both crises are the result of our energy, industrial, and food production systems that h

How Effective Are Vitamin D Supplements? Vitamin D is important for bone and muscle strength, but the belief that it significantly reduces the risk of heart disease, cancer and numerous other conditions is questionable. Although Vitamin D supplements are

"Are We Alone In The Universe?" Dr. Livio explains how developments in astronomy have altered our sense of human uniqueness. He describes the “Copernican Principle” that suggests that we humans are not especially unique. And scientific discoveries, includ

Contemporary Science Issues and Innovations: The Global Green New Deal 09/03/24; The 2020 book, Climate Crisis and The Global Green New Deal, by Noam Chomsky and Robert Pollin is a major source of information about the climate change crisis and also the b

Addressing the Threat to Earth System Boundaries - Earth Commission, the prestigious international group of scientists, recently published a study that is receiving a great deal of attention. The study in Nature Journal indicates that we have now breached

The Mystery of Animal Migration - Charles Walcott has been a leader in the research on migratory creatures, especially birds. He explains in this program what scientists presently know, and how scientists investigate the sensory maps of migratory creature

Analyzing Clouds and Climate Change: Clouds are an essential component of the climate; they stabilize Earth’s temperature, by preserving the planet’s heat like a blanket and blocking excess solar radiation. But with prolonged accumulation of atmospheric C

Harvesting Electricity Out Of Thin Air: The air contains an enormous amount of electricity. Clouds are full of it. But how to actually capture it for a continuous energy resource? Dr. Jun Yao and his colleagues at UMass-Amherst have created a small-scale

2000 Years of Oceans and Climate - The major ocean currents strongly influence regional climate stability. Today’s rapidly warming oceans will ultimately alter major currents such as the AMOC, with huge consequences for global climate. In order to predict