Uncategorized
- Animals
Spider silk-making organs evolved due to a 400-million-year-old genetic oops
An ancient ancestor of spiders and relatives doubled its genome about 400 million years ago, setting the stage for the evolution of spinnerets.
- Archaeology
This ancient stick may be the world’s oldest handheld wooden tool
These 430,000-year-old wooden tools from Greece are a rare find and provide a glimpse at the technical know-how of our early human ancestors.
- Animals
Some vaccines are making progress in protecting vulnerable species
Vaccines can be a crucial conservation tool. But getting shots to wildlife, and developing them in the first place, is tough.
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The inner lives of animals
Editor in Chief Nancy Shute discusses how scientists are beginning to study animals’ emotions and personalities — from joy to individual temperament.
