Previous experiments on the effects of auxins on the geotropic responses of seedling pea roots (Audus and Brownbridge, 1957) have been extended using the 'anti-auxin' ...

IF the punctum vegetationis of a root is removed by a transverse section, the root loses more or less completely the power of curving geotropically downwards when placed in a horizontal position. This ...

Here we are, the last week of August. The summer season is coming to an end, the kids are going back to school, our veggie beds and flower containers are winding down —although my overwintered ...

1. The effect of persistent acceleration on comb construction by Oriental hornet (Vespa orientalis) workers was assessed experimentally within breeding boxes of various sizes, and shapes. Groups of ...

I HAVE just been listening to a discussion, at the Zoological Laboratory, arising from some interesting observations by Mr. G. L. Clarke on the tropisms of Daphnia. A question was asked as to the ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...