A new study shows there is a high cost of parenthood, quantifying the 10% “longevity tax” on reproduction. Consequently, mammals that have fewer or no offspring tend to live longer. But why does ...
Biologists like to say that reproduction is the ultimate investment, a costly gamble that shapes everything from lifespan to ...
New research shows that epaulette sharks, often called “walking sharks,” can produce eggs without increasing their overall energy use.
A new study published in Science and led by Monash University biologists reveals that the energy cost of reproduction is far greater than previously believed. The research, led by Dr. Samuel C Ginther ...
Animal reproduction and breeding encompasses the full spectrum of natural, assisted and genetic processes that underpin the perpetuation, improvement and conservation of species across diverse taxa.
In India’s harsh deserts, spiny-tailed lizards subtly change diets with seasons, storing energy for winter and shifting food ...
A children’s book that includes illustrations of animals mating will remain on the shelves of several Orange County middle school libraries after a divided school board vote, despite objections from ...
New research reveals walking sharks reproduction involves no extra energy use, challenging long-held beliefs about marine ...
A children’s book that includes illustrations of animals mating will remain on the shelves of several Orange County middle school libraries after a divided school board vote, despite objections from ...