Butchers, bakers and donutmakers probably won’t forsee all that much trouble in cutting something in half. If you’re a philosopher on the other hand . . . Problems arise when trying (to imagine) the process of cutting something exactly in half. Given that most objects could be said to have a centre point of some […]
Tag: two
Two Heads (One of Them Real) Are Somewhat Better Than One
A new test of the old idea that apparently having a head at your rear might save your life, if you are a butterfly: “Two-headed butterfly vs. mantis: do false antennae matter?” Tania G. López-Palafox and Carlos R. Cordero, PeerJ, vol. 5, 2017, e3493. The authors, at Universidad Nacional Autónoma de México, report: “The colour […]
Further Info for Skyscraper Stairway Climbers
Upper floor residents of skyscrapers, at least those upper floor residents who habitually climb stairs rather than ride elevators to their homes, can find useful information in this new study: “The Energy Expenditure of Stair Climbing One Step and Two Steps at a Time: Estimations from Measures of Heart,” Lewis G. Halsey, David A. R. […]
The energetic pursuit of sloths
The name of the sloth is synonymous with a certain style of sin. But scientists pursue them for other reasons, too. The animals move – something they do on occasion – in what can seem mysterious ways. They hang upside down from tree limbs, and sometimes amble that way there. On the ground, ambling right-side-up […]