They Didn't Believe It! Dark Matter

12/02/19 Most of the matter in the universe is invisible --and scientists still do not know what it is. This is a brief story of how the idea of dark matter was very slowly accepted.

The Dark Age of the Universe

05/12/15 What scientists are learning about the "dark ages" of the early universe -before light emerged. Lincoln Greenhill

Scale-Free Complex Networks: Albert-László Barabási, Ph.D.

08/05/13 A visit to the Barabási Lab at Northeastern University to learn how scale-free complex networks affect scientific perspectives

Using Genetics to Trace Human History

07/08/16 An explanation of how modern genetics analysis confirms ancient human migrations, such as the Indo-Europeans. Nick Patterson

How Plankton Blooms Absorb CO2

02/24/15 What causes the massive plankton blooms that are necessary for stabilizing Earth's CO2 balance, and how does the process work? Amala Mahadevan

Clouds, Chemistry, and Climate Change: Why Our Current Climate Is What It Is

09/12/17 Clouds are an essential component of the dynamics of climate change. Here's how that works. Daniel Cziczo

Probing the Causes of Cancer

02/22/21 The dual role of socioeconomic background and a family of (BET) proteins in the disproportionate occurrence of certain cancers. Gerald V. Denis

Cancer Research: How It Works and Why It's Crucial Today

04/08/25 Numerous types of cancer are increasing today and scientists are trying to identify the causes. That's why cancer research is one of the most important concerns of modern science. We learn how the research is done and also why federal funding for this work is essential. Gerald Denis

Harvesting Electricity Out of Thin Air

10/24/23 Imagine a future world in which clean electricity is available anywhere you go. The generic Air-gen effect innovation means that this future world can become a reality. Jun Yao

Solar Energy the Third Way

02/14/12 Efficient production of solar energy with solar thermo-electric generators (STEGs)... Gang Chen

Today's Featured Contributors

Featured Author

Kamaljit S. Bawa, Ph.D.

A major textbook on conservation biology and a beautiful tribute to the ecology of the Himalayas

Featured Guest

Lukas Meier, Ph.D.

A specialist in ethical issues related to diverse fields, including medicine and technologies such as AI