Ch. 1. Heat stress in domestic fowl: genetic and physiological aspects / S. Druyan, Y. Piestun and S. Yahav -- Ch. 2. Molecular basis of heat stress damage in mammalian testis / Ricardo D. Moreno, Raúl Lagos-Cabré, Julio Buñay, Natalia Urzúa and Ximena Bustamante-Marin -- Ch. 3. Breeding for heat stress tolerance in plants via molecular and physiological manipulation / U.R. Rosyara, N.K. Gupta, S. Gupta, and R.C. Sharma -- Ch. 4. Heat induced impairments and recovery of photosynthetic machinery / Vladimir D. Kreslavski, Irina R. Fomina, Dmitry A. Los, Suleyman I. Allakhverdiev -- Ch. 5. Caenorhabditis elegans as a convenient model organism for understanding heat stress effects upon intact nervous systems / Tatyana B. Kalinnikova, Rufina R. Kolsanova, Marat Kh. Gainutdinov -- Ch. 6. Dairy cattle under heat stress: impacts and mitigation / Silvia E. Valtorta, Perla E. Leva, María S. García -- Ch. 7. Heat stress and extreme indoor environments / José A. Orosa -- Ch. 8. The impact of heat stress on blood pressure / Angelina Swali -- Ch. 9. Molecular bases and improvement of heat tolerance in crop plants / Jianming Fu. Ivana Momčilović and P.V. Vara Prasad -- Ch. 10. Heat induced apoptoic cell death mechanism mediated by sphyngomielinase and ceramide signaling in zebrafish development / Takeshi Yabu, Shintaro Imamura, and Michiaki Yamashita.