Send us a text A top predator that “wastes” food and ends up feeding an entire ecosystem? That paradox sits at the heart of our latest exploration into polar bear behavior and the hidden scaffolding of the Arctic food web. We unpack new research estimating that each polar bear leaves roughly 300 kilograms of edible remains annually—amounting to millions of kilograms across the region—and why those leftovers are vital calories for Arctic foxes, ravens, gulls, snowy owls, and even wolves. By fo...
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Send us a text A top predator that “wastes” food and ends up feeding an entire ecosystem? That paradox sits at the heart of our latest exploration into polar bear behavior and the hidden scaffolding of the Arctic food web. We unpack new research estimating that each polar bear leaves roughly 300 kilograms of edible remains annually—amounting to millions of kilograms across the region—and why those leftovers are vital calories for Arctic foxes, ravens, gulls, snowy owls, and even wolves. By fo...
Episode 29 Season 7: Baby Brains, Play Wild Dogs, and Vet Chat with Dr. Nancy Kay
The Science Pawdcast
58 minutes
3 weeks ago
Episode 29 Season 7: Baby Brains, Play Wild Dogs, and Vet Chat with Dr. Nancy Kay
Send us a text A newborn with higher pTau217 than an adult with Alzheimer’s—what would that mean for how we detect, define, and treat dementia? We dive into a startling new finding that reframes tau phosphorylation as a dynamic, reversible process rather than a one-way street. From the costs and tradeoffs of PET scans and CSF analysis to the promise of new blood tests, we lay out how clinicians navigate biomarkers and why context matters. If babies and even hibernating animals can toggle tau ...
The Science Pawdcast
Send us a text A top predator that “wastes” food and ends up feeding an entire ecosystem? That paradox sits at the heart of our latest exploration into polar bear behavior and the hidden scaffolding of the Arctic food web. We unpack new research estimating that each polar bear leaves roughly 300 kilograms of edible remains annually—amounting to millions of kilograms across the region—and why those leftovers are vital calories for Arctic foxes, ravens, gulls, snowy owls, and even wolves. By fo...
