this week papers (13.07.09.to.17.07.09)

The angiosperm radiation revisited, an ecological explanation for Darwin's 'abominable mystery'

Training Improves Multitasking Performance by Increasing the Speed of Information Processing in Human Prefrontal Cortex

Optimal tuning of bacterial sensing potential

Efficient computation of optimal actions

Observation of a kilogram-scale oscillator near its quantum ground state