June 2019, ScientificAmerican.com 41EYE
ONE
OPEN
Why dolphins, seals and other
animals developed the capacity to
sleep with half their brain awake
By Gian Gastone Mascetti
E T H O L O G YIllustration by Giulia Neri
antfer
(Antfer)
#1
June 2019, ScientificAmerican.com 41EYE
ONE
OPEN
Why dolphins, seals and other
animals developed the capacity to
sleep with half their brain awake
By Gian Gastone Mascetti
E T H O L O G YIllustration by Giulia Neri