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Letters
Slumber science Your October 24 issue featuring sleep research was very interesting and helpful. However, it did not cover any research being done — there may be none — relating to the human brain and modern changes to the nighttime environment. For most of human history, not much activity could take place at night. The […]
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Horse genome added to growing list of barnyard genetics projects
Equines join cucumbers and pigs as the most recent additions to the roster of organisms to have their complete DNA code spelled out. The new work on horses also helps answer a key question about chromosome structures called centromeres.
- Paleontology
Pollination in the pre-flower-power era
Scorpionflies with long-reaching mouthparts may have helped plants procreate long before blossoms evolved.
