photobiology R packages updated

This is two announce that except for photobiologyVIS and photobiologyUV all packages in the suite have been updated. I tried to make all updates backwards compatible. There are also some new packages on which I have been working for some time that I am publicly releasing today. Vignettes have also been improved.

All packages, even those not updated, have been built now under Windows 7 x64, and are compatible also with x386 (32 bit) versions of Windows.

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Thinking, Fast and Slow

Daniel Kahneman (2012) Thinking, Fast and Slow. Penguin Books, London.ISBN 978-0-141-03357-0.

I am currently reading this book. I am finding it extremely interesting. Understanding how and why we make choices, is important for everybody. If you are a scientist or aspire to be one in the future, understanding why we accept more readily some experimental results than others, why we are more comfortable with some hypotheses than others, is of fundamental importance, both to guard against bias, and to be able to present our new ideas in a way that will make them more acceptable.Continue reading

Why are plants green?

This is a frequently posed question, that has no unique or simple answer. Prof. Lars Olof Björn has written a section on this in his book Photobiology: the science of life and light which is much more detailed than this short post. The problem with this question is that its meaning can be different to different persons. I will start by separating different aspects of this question into separate, and better-defined, questions that are easier to answer:Continue reading