Quite an advantage in today’s world.
New research shows that epaulette sharks, often called “walking sharks,” can produce eggs without increasing their overall energy use.
These “walking sharks” can lay eggs without spending extra energy, rewriting what scientists thought they knew about reproduction.
Immerse yourself in the most compelling and consequential stories from around the globe. The world is changing in big ways every day. State of the World from NPR takes you where the news is happening ...
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