biology zoology blog benno meyer rochow idea improvisation

On the Importance of Improvisation

On the Importance of Improvisation: examples from New Zealand, Antarctica & North Korea

This week’s topic is rather personal and I hope readers will not feel that I want to show off. I use examples I’m most familiar with and they happen to involve me (sorry). Scientists frequently face unexpected situations; situations in which equipment for an experiment fails or isn’t available, situations that offer sudden opportunities that appear “out of the blue”, but that one hasn’t anticipated and isn’t prepared for, etc. And that is when quick thinking, improvisation, is needed. —>—>

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biology zoology blog benno meyer rochow animal dummies

Animal Dummies and Models

Animal Dummies and Models – how could ethologists live without them

Dummies and models of animals can be very useful especially in studies that focus on big animals and those that move around much. One such use of models involved those of cows; cows with a pure white and a pure brown coat and models of white cows with 8, 16, and randomly distributed 64 brown patches on the white background fur. —>—>

biology zoology blog benno meyer rochow blue light

Dawn of vision

Dawn of vision – And why blue light might be so special

Virtually all mammalian species exhibit some kind of circadian rhythm that affects their activities. These rhythms parallel the cycle of day and night and are, thus, in most cases linked to the perception of light. However, major surprises were in store for scientists, when they investigated whether mutant mice, lacking the well known image-forming rod and cone cells in their retinas, still possessed a circadian rhythm. —>—>