Ingenious Crows Make Hooked Tools
The manufacture and use of tools has long been touted as a line of demarcation between humans and non-human animals: our technological prowess is what makes us human, it was thought. But research over the last few decades has blurred that line, as tool manufacture and use, and even the use of tools to make other tools (known as meta-tool … Continue reading
Unexplained Mass Animal Deaths Puzzles Ecologists
Sometimes the news is nothing other than depressing. There have been several high-profile and unexplained animal die-offs earlier this year including the fateful mass deaths of the scrotum frogs of Lake Titicaca and the mysterious incident in Boston where dead birds rained down upon city streets. Now, several more mass animal deaths around the world have ecologists and environmentalists scratching … Continue reading
