I Wonder Why? Magic, Mystery and Mathematics in the Mundane

01/14/21 Mathematics is the foundation of everything in Nature: structures, dynamics, processes. Understanding that foundation changes our perception of Nature. Lakshminarayanan Mahadevan

Using Gravitational Lensing to Detect Dark Matter

01/14/25 Dark matter accounts for some 27 percent of the universe but is invisible. One promising technique to reveal it is the analysis of gravitational lensing that very occasionally aligns galaxy clusters. Jacqueline McCleary

Self-Defense Mechanisms of the Cell

12/14/10 The cell's self-defense repair kit against hereditary, environmental, and other threats. Sushil Alimchandani

Mass Extinctions

04/09/19 What caused Earth's five mass extinctions --and most important--are we headed for a sixth? Andrew Knoll

Our Rising Seas

02/19/17 Sea-level patterns over 2000 years and the situation now. Andrew Kemp

Restoration of Severely Contaminated Lands

05/10/11 Sometimes even severely polluted land can be restored. Some case histories... Justin Hollander

Psychiatric Drugs: Why They Often Fail Us Over Long Term

04/23/19 More than one in five Americans now takes a psychiatric medication. But long-term results are poor. Robert Whitaker, author of several books on this subject, discusses the problems of these meds and describes more effective initiatives.

How Delayed Release of Industry Data on Chemical Toxicity Impacts Health

08/21/18 Producers of perfluorinated alkylate substances (PFAS) withheld for decades the facts about the health and environmental threats of these ubiquitous toxins. Philippe Grandjean

Why Are We Spending Billions on Carbon Capture and Storage?

09/20/22 Despite the hype, carbon capture and storage (CCS) is not a solution to the CO2 problem. Charles Harvey

Renewable Energy Progress --Despite Resistance from the Fossil Fuel Industry

11/10/15 What we can do to speed up the transition to renewable energy, despite Big Oil's well funded resistance. Jeff Deyette

Today's Featured Contributors

Featured Author

Jon Beckwith, Ph.D.

A great scientist's dual role as geneticist and social activist

Featured Guest

Richard B. Primack, PhD

A reknowned conservation scientist and a prolific author