An effort to make moral machines finds cultural differences in human morality

A driverless car is speeding down a road and can’t stop. Either it hits an elderly woman crossing the street, or it swerves out of the way and kills its passenger, a young child. Whose life should be spared? As driverless cars become a reality, the answer to the famed “Trolley problem” becomes increasingly pressing. Unlike humans, self-driving cars don’t have an internal moral code; … Continue reading An effort to make moral machines finds cultural differences in human morality

Foldit players beat scientists in determining a protein’s shape

Eight years ago, a team at the University of Washington developed Foldit, a protein folding game that pits gamers against scientists and computer algorithms. Proteins, which are made up of a string of building blocks, called amino acids, form much of the core machinery of cells. When immersed in water, protein chains adopt a variety of shapes that enable them to perform their cellular roles. … Continue reading Foldit players beat scientists in determining a protein’s shape