orca grandmother effect whale hunting ecology evolution
Grandmother Orcas Help Young Whales Survive and Thrive: Study
Post-menopausal orcas tied to an increase in calf survival by providing food, care, and guidance.
Grandmother Orcas Help Young Whales Survive and Thrive: Study
Grandmother Orcas Help Young Whales Survive and Thrive: Study

Post-menopausal orcas tied to an increase in calf survival by providing food, care, and guidance.

Post-menopausal orcas tied to an increase in calf survival by providing food, care, and guidance.

menopause

bone microbiome inflammation wnt10b rankl
Bone and the Microbiome Have a Brittle Relationship
Kerry Grens | Jul 12, 2019
Animal studies and a few small clinical trials show it’s possible to get commensal microbes to protect against bone loss, rather than contribute to it.
“Grandmother Hypothesis” Gets Some Support
Ashley Yeager | Feb 7, 2019
New studies suggest forebears’ age and physical proximity matter when it comes to their grandkids’ survival.
Contributors
Chris Palmer and Kate Yandell | Sep 1, 2013
Meet some of the people featured in the September 2013 issue of The Scientist.
Why Women Lose Fertility
Daniel Levitis and Alan Cohen | Sep 1, 2013
Mating behavior is an unlikely driver of women's reproductive aging.
Putting the Men in Menopause
Jon Stone | Sep 1, 2013
Can mating behavior explain the evolution of menopause in humans?
You Are When You Eat
Mary Beth Aberlin | Sep 1, 2013
Circadian time zones and metabolism
Menopause Caused by Men?
Bob Grant | Jun 17, 2013
A new hypothesis holds that women become infertile later in life because males prefer younger mates.
Mothers-In-Law and Menopause
Hayley Dunning | Aug 23, 2012
Competition for resources between mothers- and daughters-in-law having children at the same time could have been a driver for the emergence of menopause.