“We enlarged the images, put them in slow motion, and realized the white layer was being shed from the body as it was swimming. I believe it was a newborn white shark shedding its embryonic layer.” Plant biologists report that a species of tree fern found only in Panama reanimates its own dead leaf fronds, converting them into root structures that feed the mother plant. Researchers have mapped the genetic blueprint of 51 species, including cats, dolphins, kangaroos, penguins, sharks, and turtles. A new study shows how an inexpensive plant protein can be used to grow muscle and fat layers that can be combined to produce meat-like textures. In Africa, big-headed ants (Pheidole megacephala) have set off a chain of events that is making it harder for lions to hunt zebra, their preferred prey. |
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