A mutation in a key gene may have endowed humans with superior endurance—allowing them to compete better with other animals on the savanna. Christopher Intagliata reports.
Communication with the placenta is key to ensuring body parts grow at the same rate
Microbes thrived on ancient Earth, even with very little oxygen
An ancient Arctic site suggests a complex relationship between humans and canines
The hammerhead relatives consume copious amounts of sea grass, and have the digestive machinery to process it—making them true omnivores. Christopher Intagliata reports.
When Hurricane Irma blew through the Turks and Caicos, lizards with shorter hindlimbs lucked out. Jason G. Goldman reports.
Senior Editor Gary Stix talks about the September special issue of Scientific American, devoted to the science of being human. And Brown University evolutionary biologist Ken Miller discusses human chromosome 2 and what it tells us about us.
Like hyenas, the ancient canines apparently ate their food bones and all
War may not be in our nature after all
A new experiment suggests our picture of the so-called Ediacarans may be incomplete
Recent fossil, archaeological and genetic discoveries are revising the rise of our species
What makes language distinctly human
A few very brief reports about science and technology from around the globe.
Humans are changing the course of evolution
Why we are probably the only intelligent life in the galaxy
Decoding the puzzle of human consciousness
Two key features created the human mind
How we learned to put our fate in one another’s hands