Great example of epigenetics: Male bearded dragon embryos will hatch as females if the eggs are too warm - the heat overrides their genes to make them change sex!  https://www.newscientist.com/article/2274481-heat-overrides-genes-to-make-bearded-dragon-embryos-change-sex/?utm_term=Autofeed&utm_campaign=echobox&utm_medium=social&utm_source=Twitter#Echobox=1618516391 ... View more

Unlike chimps, who are aggressive and competitive, bonobos excel at cooperation and community. Some scientists think that these differences can tell us a lot about our own evolution of empathy and kindness. https://www.npr.org/sections/goatsandsoda/2021/03/20/978868116/some-generous-apes-may-help-explain-the-evolution-of-human-kindness?fbclid=IwAR10gH9W6WxUVPf9XsBijPVtdlHjz7-QvqWOAymBjSVoNBORYkq9ag1r-mI ... View more

Humans are supposedly the most altruistic animals, but why? The answer is likely in our genes. https://bigthink.com/personal-growth/altruism-human-nature?rebelltitem=1#rebelltitem1 ... View more