The tuatara isn’t actually a lizard. It’s the last survivor of a 250 million year old group of reptiles that mostly went extinct with the dinosaurs. It doesn’t have a penis, and ironically, that’s made it a linchpin for understanding how penises evolved in vertebrates.
Last week at Buzzfeed News, Dan Vergano described the surprising results of a paternity test–the first known case of a man fathering the son of a brother he didn’t know existed. It’s an example of a rare genetic condition known as chimerism.
A few months ago I wrote about a proposal to fix the housing crisis in San Francisco
Today, a study presented at the annual meeting of the American Society of Human Genetics tied male homosexuality to chemical markers on DNA that affect how genes are expressed.
From satellites, to autonomous solar-powered drones, or balloons, there have been plenty of ideas recently on how to connect up the world. Facebook, Google, large international organisations, national governments, even Bono, have laid out ideas of a near future in which we are all hooked into the network.
Facebook has announced that it’s teaming up with French-based satellite provider Eutelsat Communications to beam free internet to 14 countries in Sub-Saharan Africa.
Hormone surges at puberty trigger a lot of physical changes in both men and women, morphing child-bodies into adult forms. Genitals, hips, and muscle mass change, obviously–but so do faces. A new study suggests those facial changes are primed to happen by the presence of testosterone in utero.
Countdown to Life: The Extraordinary Making of You, a new BBC series focused on how our prenatal development shapes our lives, has brought new attention to a group of seemingly sex-swapping people in the Dominican Republic.
Scientists, politicians and the Pope are not the only ones calling for action on climate change these days. Farmers are observing changes in rainfall, temperature and other patterns in weather that have spurred them into shifting their farming methods. In fact, while climate change is not a source of scientific contention, how to farm in the future is a hot topic in the scientific realm.