Day: May 31, 2014

Growing doubt that gravitational waves were actually detected

Nature has an article up describing the problems with the BICEP2 results that are now being identified by various scientists.  It's actually the second one I've seen them publish on this. The astronomers who this spring announced that they had evidence of primordial gravitational waves jumped the gun because they did not take into proper … Continue reading Growing doubt that gravitational waves were actually detected →

‘Free choice’ in primates altered through brain stimulation

When electrical pulses are applied to the ventral tegmental area of their brain, macaques presented with two images change their preference from one image to the other. The study is the first to confirm a causal link between activity in the ventral tegmental area and choice behavior in primates. via 'Free choice' in primates altered … Continue reading ‘Free choice’ in primates altered through brain stimulation →