Recent technical advances allow detection of several hundred volatile organic compounds (VOCs)
in human exhaled air, many of which reflect unidentified endogenous pathways. Our …

The extinct passenger pigeon was once the most abundant bird in North America, and possibly
the world. Although theory predicts that large populations will be more genetically diverse…

Conservation translocations (reintroductions, reinforcements, ecological replacements, and
assisted colonization) have played a vital and necessary role in conserving endangered …

Interspecies somatic cell nuclear transfer (iSCNT) could benefit recovery programs of critically
endangered species but must be weighed with the risks of failure. To weigh the risks and …

Background Pigeons and doves (Columbiformes) are one of the oldest and most diverse
extant lineages of birds. However, the nature and timing of the group’s evolutionary radiation …

Hi-C contact maps are valuable for genome assembly ( Lieberman-Aiden, van Berkum et al.
2009 ; Burton et al. 2013 ; Dudchenko et al. 2017 ). Recently, we developed Juicebox, a …

De-extinction projects for species such as the woolly mammoth and passenger pigeon have
greatly stimulated public and scientific interest, producing a large body of literature and …

Fossils were thought to lack original organic molecules, but chemical analyses show that
some can survive. Dinosaur bone has been proposed to preserve collagen, osteocytes, and …

We present results from the Intercontinental Chemical Transport Experiment – Phase B (INTEX-B)
aircraft mission conducted in spring 2006. By analyzing the mixing ratios of volatile …

Climate change and non-native wildlife diseases are exacerbating persistent challenges to
biodiversity such as habitat destruction, invasive species and over-harvesting. With these …