Link Feast

Six of nature's most devoted dads
New Scientist photo gallery of species where the usual gender roles of parenting are reversed.

Alexander Shulgin, Psychedelia Researcher, Dies at 88
New York Times obituary for the "rogue and wizard" chemist who created "almost 200 chemical compounds capable of rejiggering the quotidian functions of the mind."

Will the Real Introverts Please Stand Up?
Scott Barry Kaufman at Scientific American with some insights into introversion that may surprise you.

What do you want to know about sleep? Neuroscientists answered your questions
The Guardian hosted an online question and answer session with sleep experts from the University of Oxford.

fMRI Glimpse
Short video in which psychologist Tom Hartley shows us the basic set up for a brain imaging experiment (ht @vaughanbell).

Lorna Wing was a psychiatrist who illuminated key aspects of autism and coined the term 'Asperger syndrome'
Daily Telegraph obituary for the ground-breaking autism expert.

Ageing and the brain
BBC Radio 4 documentary on what happens to our minds as we get older.

In Defense of Brain Imaging
Virginia Hughes reports on a new paper that asks whether criticisms of brain imaging have gone too far.

Science Explains The Enduring Appeal Of Bland, Symmetrical Layouts
New research shows how the symmetry of the printed page can influence our interpretation of the content.

Readers recommend: songs about narcissism
From the Guardian Music blog.