New Study Estimates How Many Children in Europe Were Born From Adultery

Posted on Categories Discover Magazine

(Credit: Tomsickova Tatyana/Shutterstock) A new study takes a look at the rates of extramarital childbirth in Europe over the past 500 years. This includes children born as the result of adultery — and, spoiler, it's much lower than you probably think. The study, published in Current Biology, used genetic and historical data to estimate how often parents had children outside their primary relationship over the past 500 years in Belgium, the Netherlands and Luxembourg. The researc ...read more

As a Vast Swath of Australia Burns, the View From Space is Truly Frightening

Posted on Categories Discover Magazine

Thick palls of smoke stream from Australia's sprawling bushfires in this view acquired by NASA's Aqua satellite on Nov. 11, 2019. The image consists of a natural-color view with an infrared overlay revealing areas of burning. (Source: NASA Worldview image processed by Pierre Markuse) So far, Australia's bushfires have scorched more than 4,000 square miles — an area greater than ten times the size of New York City. With hot and dry conditions predicted for weeks to come, there's not ...read more

Is the Human Olfactory Bulb Necessary?

Posted on Categories Discover Magazine

Many people may be living life without a particular brain region - and not suffering any ill-effects. In a new paper in Neuron, neuroscientists Tali Weiss and colleagues discuss five women who appear to completely lack olfactory bulbs (OB). According to most neuroscience textbooks, no OB should mean no sense of smell, because the OB is believed to be a key relay point for olfactory signals. As Wikipedia puts it: The olfactory bulb transmits smell information from the nose to the b ...read more

Black Holes Orbiting Even Bigger Black Holes Might Also Be Eating Each Other

Posted on Categories Discover Magazine

A simulation of an accretion disk surrounding a supermassive black hole. (Credit: Scott C. Noble) When the LIGO collaboration first detected the spacetime ripples of a gravitational wave it came from the merger of two black holes. To date, scientists have detected at least ten pairs of black holes spiraling into and combining with each other. But there's still an outstanding mystery about these singularities: why are some of them so big? Some have been far larger than scientists think po ...read more