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Science - The Biological World

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Weddell seal moms sacrifice diving capacity to help pups grow

Weddell seal moms sacrifice diving capacity to help pups grow

Science | The Biological World
Monday November 21, 2022

Nursing Weddell seal moms transfer so much iron to their pups through their milk that they can't spend as much time underwater in the months after their pups are weaned, according to new research.


Female leopard seals are way, way bigger than their male counterparts

Female leopard seals are way, way bigger than their male counterparts

Science | The Biological World
Monday November 07, 2022

New research shows female leopard seals can be up to twice as large as males, a far bigger difference in body size between the two sexes than biologists previously observed.


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Oct
24
2022

Rumbles, booms and growls: Listen to the first recordings of these Antarctic whale calls

Science | The Biological World

Biologists are getting their first real listen to the vocalizations made by Antarctic minke whales, the most abundant yet least understood whale species in the Southern Ocean.


Aug
29
2022

Genetics reveals how fish and seals adapt to Antarctic cold

Science | The Biological World

New research into seal and fish genomes is giving scientists clues to how these hardy animals evolved to survive the extreme cold of Antarctica and the Southern Ocean.


Aug
22
2022

Key Antarctic fish species declining due to climate change

Science | The Biological World

New research finds populations of Antarctic silverfish along the West Antarctic Peninsula are plummeting due to warming temperatures and the loss of sea ice caused by climate change.


Jun
06
2022

Shedding fluffy baby fur shapes how Weddell seal pups learn to swim

Science | The Biological World

Molting status determines when Weddell seal pups are ready for life in the water more than other developmental milestones, according to new research.


Apr
18
2022

Antarctic microbe produces potential cancer-fighting drug

Science | The Biological World

Researchers map the genetic machinery behind a natural anti-cancer compound from Antarctica for the first time


Apr
11
2022

Ocean giants' appetites are larger than we thought

Science | The Biological World

Blue whales eat seven Space Shuttles worth of food every year, new research finds


Mar
28
2022

Forever chemicals lingering in Antarctic marine mammals

Science | The Biological World

New research finds Antarctic seals and killer whales still have persistent organic pollutants stored in their blubber, despite many countries having phased out production of these toxic chemicals, some as long as 50 years ago.


Feb
14
2022

Antarctic Long-Term Ecological Research site turns 30

Science | The Biological World

Researchers have documented significant ecological changes to the Antarctic Peninsula thanks to the long-running National Science Foundation program.


Nov
09
2021

The stone thieves

Science | The Biological World

Adelie penguins often steal stones from each other's nests, but new research shows the wily birds target some nests more than others.


Sep
20
2021

Scoping out the seal mating scene

Science | The Biological World

Biologists have been observing how male Weddell seals secure prime locations when courting females to learn more about the southernmost mammal's mysterious breeding behavior.


Sep
07
2021

Meet the Penguin Misfits

Science | The Biological World

Looks are important for Adelie penguins, but they may not be as critical for breeding as biologists previously thought. New research shows Adelie penguins with unusual coloring still manage to breed successfully, contrary to what biologists had predicted.


Aug
23
2021

Coldest, Driest, Saltiest Antarctic Soils Might Be Inhospitable To Life

Science | The Biological World

Some Antarctic soils might be the only environments on Earth microbes can't colonize, a finding that goes against scientists' expectations of our planet's habitability. Most scientists assume microbes can inhabit every environment on Earth, given enough time, but new research finds that some of the coldest, saltiest, and driest soils in the Transantarctic Mountains show no signs of viable microbial life.


Mar
29
2021

Cruising for Mollusks

Science | The Biological World

Scientists are going to the ends of the Earth to discover all they can about an obscure group of sparkly, worm-like mollusks. There's lots of these critters living on the seafloor surrounding Antarctica, but they're not easy to get at and only a few scientists are studying them.


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