The butterfly Colias eurytheme requires body temperatures above 30°C for flight. When cold, it orients its exposed wing undersides to present maximum surface area to sunlight; when too warm, it ...

Single-nucleotide polymorphisms (SNPs) have been the focus of much attention in human genetics because they are extremely abundant and well-suited for automated large-scale genotyping. Human SNPs, ...

Single-nucleotide polymorphisms (SNPs), common variations among the DNA of individuals, are being uncovered and assembled into large SNP databases that promise to enable the dissection of the genetic ...