In 2008, evolutionary anthropologist Katie Hinde began studying breast milk from rhesus macaque mothers. What started as a routine study turned into a groundbreaking discovery. She found that mothers raising sons produced milk richer in fat and protein, while those raising daughters had different nutrient balances. This led Katie to a radical conclusion: milk is not just nutrition—it’s information.
Her research revealed that milk shapes behavior, not just growth. For instance, first-time mothers produced milk with higher levels of cortisol, influencing their babies to grow faster but also become more anxious. Katie also discovered that milk changes based on the baby’s immune needs. When a baby is sick, the mother’s milk quickly adapts by producing more white blood cells and targeted antibodies.
Katie’s work, which challenged the scientific consensus, was largely ignored. She launched a blog, Mammals Suck Milk, to spark discussions, and her findings, including that every mother’s milk is unique, gained widespread attention. In 2017, she took her research to a TED stage, and in 2020, her work was featured in Netflix’s Babies. Today, as a professor at Arizona State University, Katie continues to revolutionize our understanding of infant development and lactation.
Katie Hinde didn’t just study milk—she uncovered a living, responsive communication system, revealing that nourishment is intelligence. Her discovery shows that sometimes the biggest revolutions begin by listening to what others ignore.
If you're worried about ticks, put up an owl box.
The animal driving most Lyme disease in the eastern US is the white-footed mouse. Ticks that feed on them are far more likely to come away infected than ticks that feed on other animals. The bigger the local mouse population, the worse the next year's tick year.
A single barred owl pair raising chicks can take hundreds of rodents in a breeding season. Owls also don't carry Lyme. The bacterium can't survive their digestive tract, so an owl that eats an infected mouse is a dead end for the disease.
Researchers at the Cary Institute, the leading lab on Lyme ecology, have been explicit about this: "Landscapes that support predators have reduced Lyme disease risk."
One owl box on its own isn't going to fix a tick year. But a yard with owls, foxes, bobcats, and weasels in it has fewer mice, and a yard with fewer mice has fewer infected ticks.
If you have woods or fields nearby, a properly sized barn owl or screech owl box (different species, different ...
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