Spiders hoist big prey with silk 'pulleys' — and now scientists know how

Spiders hoist big prey with silk 'pulleys' — and now scientists know how

Spiders hoist big prey with silk 'pulleys' — and now scientists know how

Ingenious web construction allows tangle web spiders to lift animals too heavy for the spiders’ tiny muscles to support.
Spiders hoist big prey with silk 'pulleys' — and now scientists know how