Running. Photo by Mark Sadowski.
- Diff’rent strokes for diff’rent muscles. Most human leg muscles operate efficiently in walking and running, but different muscles are at peak efficiency at different speeds.
- Harm reduction reduces harm. Aggressive and innovative public health measures in British Columbia has dramatically cut new HIV infections.
- Getting to zero. What to do about false positive tests for HIV infection.
- Not so vestigial after all? The function of the human appendix may be in recovery from gastrointestinal infections.
- Someone’s gotta provide those articles. A consideration of whether it’s okay to write for Playboy.
- Or, you know, there’s more to “fitness” than sperm motility. In which being attracted to deep-voiced men may not make adaptive sense.
- A depressing thought. Could failures of antidepressants in placebo-controlled tests be due to bad patient sampling?
- That’s one fast camera. New optical and computational tools can capture light waves in motion.
- Convergence in the slow lane. Two-and three-toed sloths have apparently evolved their similar forms independently.
- Requiescat. Pioneering geneticist James F. Crow.
- The power of branding. An elaborately double-blind trial demonstrates that professional violinists can’t tell a Stradivarius from a brand-new violin.