Retired, Institute of Professional Geologists, San Antonio, USA. From the late 1960s through approximately 1991, the Nebraska Department of Environment and Energy (NDEE) and its predecessors, the ...

We describe computationally efficient methods for Bayesian model selection. The methods select among mixtures in which each component is a directed acyclic graphical model (mixtures of DAGs or MDAGs), ...

Four years ago, I was given a fantastic opportunity to be a math coach for a primary years program. But when I started, there was no framework to work within, no script to follow. I was starting from ...

We've wondered for centuries whether knowledge is latent and innate or learned and grasped through experience, and a new research project is asking the same question about AI. When you purchase ...

The stroke outline isn't covering the whole shape of the fill in a rectangle created using the rectangle tool 1.Create a large rectangle using the rectangle tool 2.Make sure the stroke colour is ...

Sometimes the box you have isn’t the box you need. If you’re packing something long, narrow, or oddly shaped, a standard square box might waste space or just not work at all. The good news? You can ...

A government led by freedom fighters who helped to liberate the country more than 30 years ago is now overseeing a police force accused of staggering abuses. By Daneel Knoetze and John Eligon Daneel ...

At Flinders University, scientists have cracked a cleaner and greener way to extract gold—not just from ore, but also from our mounting piles of e-waste. By using a compound normally found in pool ...

In Orlando, Florida, a dozen seniors gather in a YMCA twice a week. Some push walkers, others roll in on wheelchairs. After some light exercise and corny jokes, they get down to the real ...

Florida Gov. Ron DeSantis has signed a bill expanding execution methods beyond electrocution and lethal injection to include any method "not deemed unconstitutional." This change comes amid a surge in ...