Mahajan Mathematics

10/05/14 A novel approach to teaching mathematics. Sanjoy Mahajan

Odd Couple: UV Radiation and the Origin of Life

11/28/17 A very exciting investigation of the possible role of ultraviolet radiation in the emergence of life --on Earth and elsewhere. Sukrit Ranjan

Understanding How Life Began

04/09/10 Molecules in meteorites met with an optimal chemical environment on Earth. Alonso Ricardo

Reconstructing Evolution: A Molecular Time Machine

02/23/16 Tracing ancient genetic changes through extinctions and speciation events to reconstruct our DNA history. Betul Kacar

Creating Public Doubt about Scientific Facts

11/18/14 How vested interests have misled and confused the public over the years about many critical issues: DDT, tobacco, the ozone hole, environmental toxins, climate change. Naomi Oreskes

What Your Food Ate

07/18/23 The actual nutritional value of our food depends on the quality of soil in which it is grown. Healthy soil, healthy people, healthy planet. David R. Montgomery & Anne Biklé

The Brain-Computer-Interface Paradox

05-20-25 For individuals paralyzed by injury, stroke or ALS, brain-computer-interface (BCI) devices can enable movement and even speech. However, there are concerns: specifically, that such technology could be developed for mind control. Lukas Meier

New Ways of Imaging the Brain

08/16/18 A visit to the Alan Jasanoff Lab at MIT to learn how brain scientists are developing new techniques and devices to improve brain imaging.

Designing Sustainable Urban Development

11/25/19 How the world-class Sustainable Design Lab at MIT combines architecture, engineering, physics --and creative genius-- to design the optimal urban environment. Christoph Reinhart

The D-Lab at MIT: The People's Engineering Team

05/29/13 The award-winning D-Lab's unique approach to improving lives in the poorest nations. Amy Smith

Today's Featured Contributors

Featured Author

Susanne Freidberg, Ph.D.

Outstanding resources on the environmental impact of modern agriculture and meat production

Featured Guest

John Ebel, Ph.D.

A prominent seismologist explains how and where earthquakes and tsunamis are generated