Photo of Roxanne Beltran
Roxanne Beltran Dives into Seal Research
This University of California, Santa Cruz, biologist is dedicated to her marine mammal research, as well as to making the field more diverse and equitable.
ABOVE: Roxanne Beltran
Roxanne Beltran Dives into Seal Research
Roxanne Beltran Dives into Seal Research

This University of California, Santa Cruz, biologist is dedicated to her marine mammal research, as well as to making the field more diverse and equitable.

This University of California, Santa Cruz, biologist is dedicated to her marine mammal research, as well as to making the field more diverse and equitable.

ABOVE: Roxanne Beltran

diving

Blue Whales’ Hearts Can Beat Exceptionally Slowly
Ashley Yeager | Nov 26, 2019
Slowing to just two beats per minute, the animals’ heart rate shows how they survive plunging far below the ocean’s surface to eat.
Image of the Day: Whale Shark Sonogram
Ashley Yeager | Nov 2, 2018
Scuba diving alongside the fish, scientists used ultrasound equipment to image females’ reproductive organs.
Free Divers From Southeast Asia Evolved Bigger Spleens
Anna Azvolinsky | Apr 19, 2018
The adaptation gives better endurance to the Bajau people, known as sea nomads, by increasing spleen size and, in turn, boosting the number of oxygenated red blood cells when diving.