![Scientific American Magazine Vol 329 Issue 4](https://static.scientificamerican.com/sciam/cache/file/A7E798B1-F72D-46A7-875A2C4DE9D2E3B0_source.jpg?w=300)
Volume 329, Issue 4
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Features
The Evolutionary Reasons We Are Drawn to Horror Movies and Haunted Houses
Scary play lets people—and other animals—rehearse coping skills for disturbing challenges in the real world
Can We Save Every Species from Extinction?
The Endangered Species Act requires that every U.S. plant and animal be saved from extinction, but after 50 years, we have to do much more to prevent a biodiversity crisis
Grammar Changes How We See, an Australian Language Shows
An Aboriginal language provides unexpected insight into how language influences perception
How New Advances in Organ Transplants Are Saving Lives
Advances are increasing the supply of organs. But this isn’t enough. Enter the genetically modified donor pig
What It Takes to Grow Crystals in Space
Researcher Debbie G. Senesky builds materials that can work on Venus
The Theory That Men Evolved to Hunt and Women Evolved to Gather Is Wrong
The influential idea that in the past men were hunters and women were not isn’t supported by the available evidence