Evolution: Have Wings Come, Gone and Come Again?

Evolution: Have Wings Come, Gone and Come Again?

Can complex traits be re-evolved by lineages that have lost them? Phylogenetic study now suggests that wings may indeed have reappeared several times within the ancestrally wingless stick insects.

You can come home again.

Will ye no come back again?

Single gene disorders come into focus - again

In the early 1990s, when the second 5-year plan for the Human Genome Project-which requested more money than any previous research project in biology-was written, common disorders were presented as the future target of genome research. This was a clever move to ensure continued public support for this endeavor, which had been justified previously by the prospect that it would lead to the diagno...

"Companion diagnostics": has their time come and gone?

Rapid development of molecularly targeted drugs requires a "companion diagnostic" that could delay drug development and limit availability of active drugs for relevant patients. Were the negative results from MetMab studies in patients with advanced non-small cell lung cancer due to drug failure or failure of the right companion diagnostic?