X-rays revealed that the tusks have an internal opposing twist, which may help explain how they grow so straight — the only tusks like them in nature.
Narwhals Have Stunning Spiraled Tusks. That’s Not the Only Twist.
Originally reported by New York Times. Read the full story at the original source.
Related Articles
Relive private Chinese rocket's explosive 1st landing attempt (video)
LandSpace's first attempt to land its Zhuque-3 rocket was quite a spectacle, as newly released video footage reminds us.
The popular diabetes drug metformin has been used for decades — and scientists just figured out its main mechanism
Scientists have debated whether the diabetes drug metformin acts primarily in the intestines or the liver. New findings ...
The Meta settlement is a start, but it's not enough to create real change — that's what we need to focus on now
The Meta settlement requires limited oversight of Instagram and Facebook for just five years. Making it permanent and in...
On Cloud 9: Have astronomers discovered the first starless galaxy?
Astronomers are closer than ever to confirming the discovery of the first starless or "failed" galaxy, packed with dark ...