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AnimalsWhy a small seabird dares to fly toward cyclones
Tracking data show that Desertas petrels often veer toward cyclones and follow in their wake, perhaps to catch prey drawn to the surface.
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ArchaeologyWas Egypt’s first pyramid built with hydraulics? The theory may hold water
A controversial analysis contends that ancient engineers designed a water-powered elevator to hoist stones for King Djoser’s pyramid.
By Bruce Bower -
AnimalsPheromone fingers may help poison frogs mate
Specialized glands in the fingertips of some males may produce seductive chemical signals.
By Jake Buehler -
ClimateClimate change is driving the extreme heat baking France’s Olympics
In this week’s Extreme Climate Update, we look at record-breaking temps around the world and explain what the heat index is.