Sources

9 Total Sources

X-ray Study Reveals Narwhal Tusks Form 2 Opposing Spirals, Boosting Strength

Popular Science2d ago

Narwhal Tusks' Double-Spiral Structure Discovered via Advanced X-ray Imaging

Scientific American2d ago

What makes a narwhal's tusk so special? Scientists are close to unraveling the mystery | Scientific American

Yahoo! Voices2d ago

Hidden secrets of the narwhal's twisted tusk revealed using X-ray technology

Ars Technica2d ago

Narwhal Tusks Found to Have Second Opposite Internal Spiral

Nature.com3d ago

The narwhal tusk assembles its macroscopic helix from building blocks with opposing twists | Nature Communications

Yahoo! Voices2d ago

Narwhal Tusk's Double-Spiral Structure Revealed by Advanced X-ray Technology

New Atlas2d ago

Scientists Uncover Narwhal Tusk's Straight Growth Mechanism

Double spiral inside narwhal tusks may explain their resistance to bending

How the Narwhal Got Its Twisted Tusk