Catálogo de publicaciones - revistas

<jats:p>The fate of the world's last stocks of the deadly smallpox virus is once again being debated. Last week, the executive board of the World Health Organization began discussing what research remains to be done with the live virus.</jats:p>

<jats:p>At only 22 individuals, the Hainan gibbon may be the world's most endangered primate. Government protection and high fecundity have helped the species recapture some lost ground, giving researchers reason for guarded optimism.</jats:p>

<jats:p>Researchers have now found evidence—in people and in algae—for a eukaryotic circadian clock that works independently of gene activity. This protein-based timekeeper might represent an evolutionarily ancient way of keeping cellular time.</jats:p>

<jats:p>New genomic data are settling an old argument about how our species evolved.</jats:p>

<jats:p>Our ancestors are now thought to have mated with at least two kinds of archaic humans at two different times and places. Were they engaging in interspecies sex, or does the fact that they were able to produce offspring mean they were all members of the same species?</jats:p>

<jats:p>One challenge to studying migration energetics: Not every bird will fly for hours in a wind tunnel.</jats:p>

<jats:p>The wind tunnel at the University of Western Ontario in Canada is the centerpiece of a new building that includes indoor and outdoor aviaries, acoustic chambers, behavior-observation rooms, and environmental chambers for controlling light cycles, as well as temperature and humidity.</jats:p>