An alien named Tim

An Umbrella Named Action Research

Action research is a means for creating meaning and promoting understanding of complex social situations, and improving the quality of human interactions and performance in those situations. Action research is one of the words that can be heard now frequently in the educational cycle, but there are several definitions for it. Literature review shows that several writers have referred to this co...

The alien hand syndrome: What makes the alien hand alien?

The alien hand syndrome is a deeply puzzling phenomenon in which brain-damaged patients experience their limb performing seemingly purposeful acts without their intention. Furthermore, the limb may interfere with the actions of their normal limb. We report a case of alien hand syndrome following a left medial frontal and corpus callosum ischemic lesion. From our clinical observations and the pa...

Alien Maps of an Ocean-bearing World

When Earth-mass extrasolar planets first become detectable, one challenge will be to determine which of these worlds harbor liquid water, a widely used criterion for habitability. Some of the first observations of these planets will consist of disc-averaged, time-resolved broadband photometry. To simulate such data, the Deep Impact spacecraft obtained light curves of Earth at seven wavebands sp...

Alien hand sign or alien hand syndrome?

Tim Birkhead

sequence, and so co-polymers were made in which the proportions of the two nucleotides were varied and the percentages of the amino acids incorporated determined. These were then compared with the statistical composition of the RNAs. A breakthrough came when Nirenberg and Phil Leder developed the fi lter-binding assay that enabled assignments to be made to a single triplet. And so it was that C...