
All the climbing plants and weeds in my garden twine anticlockwise. Is there an evolutionary advantage to this? And do any twine clockwise?
Peter Waller,
Advertisement
Bristol, UK

What happens to the electrons, protons, neutrons and photons that exist in living beings when they die?
Andrew Pipkins,
Forney, Texas, US
To answer this question – or ask a new one – email lastword@newscientist.com.
Questions should be scientific enquiries about everyday phenomena, and both questions and answers should be concise. We reserve the right to edit items for clarity and style. Please include a postal address, daytime telephone number and email address.
91av retains total editorial control over the published content and reserves all rights to reuse question and answer material that has been submitted by readers in any medium or in any format.