No safe, free, high-quality PDF exists legally. Borrow via Internet Archive/Libby, or buy the eBook and convert it yourself. The book is worth it – don’t settle for a broken scan.

Life, McFadden and Al-Khalili argue, does not choose one realm over the other. Instead, biological systems have evolved to —maintaining quantum coherence just long enough to perform a vital function, then decohering to prevent quantum weirdness from disrupting cellular processes.

Chapter 7: The Observer Plant Conclusion: You are not reading this book. This book is reading you.