The Art of Teaching Math and Science
The impasse in math and science instruction runs deeper than test scores or the latest educational theory. What can we learn from the best teachers on the front lines?
Watching Evolution Happen in Two Lifetimes
The biologists Rosemary and Peter Grant have spent four decades on a tiny island in the Galápagos. Their discoveries reveal how new animal species can emerge in just a few generations.
The Strange Case of Typhoid Mary
The infamous case of Typhoid Mary underscores the importance of tolerance in understanding disease.
A New Way to Predict Infection’s Toll
Scientists have developed new ways to forecast who will bounce back from disease by studying not just the way the immune system fights infections, but how the body repairs itself.
A New Step in Re-Creating First Life on Earth
An RNA molecule that can make copies of a variety of RNAs adds new support to the RNA-world theory.
The Neuroscience Behind Bad Decisions
Irrationality may be a consequence of the brain’s ravenous energy needs.
How to Grow a New Model Organism
To develop new model organisms, scientists will have to find species that are easy to grow in the lab.
Biologists Search for New Model Organisms
The bulk of biological research is centered on a handful of species. Are we missing a huge chunk of interesting biology?
Faster Evolution on a Warmer Earth
When life first emerged roughly 4 billion years ago, DNA may have been a much more malleable molecule.