Abstract: Human skeleton-based action recognition offers a valuable means to understand the intricacies of human behavior because it can handle the complex relationships between physical constraints ...

Reports of a dolphin with thumb-like digits in its flippers have sparked public curiosity about how far mammal anatomy can stretch and what that might reveal about evolution. I cannot verify the ...

When a partial fossil foot emerged from Ethiopia’s ancient sediments, it carried a quiet but profound implication: Lucy, the ...

Can you chip in? As an independent nonprofit, the Internet Archive is fighting for universal access to quality information. We build and maintain all our own systems, but we don’t charge for access, ...