Deep Sleep

How do you catch Z’s. . . in the sea?   This is Sandra Tsing Loh with the Loh Down on Science.   All animals need sleep, even ocean-dwellers. But how do seafaring animals sleep safely from predators?    Jessica Kendall-Bar from the University of California, Santa Cruz and team

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Grandma’s Guidance

killer whale fins above ocean water

When times get tough…who won’t let you down? Grandma! This is Sandra Tsing Loh with the Loh Down on Science. What do humans and killer whales have in common? Menopause! Only a few species experience it. But why? Is there a reason that whale mamas stop reproducing? Meet Daniel Franks

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