When evolutionary biologist John Endler began studying Trinidad's wild guppies in the 1970s, he was struck by the wide variation among guppies from different streams, even among guppies living in ...

In a simulation or in the wild, where predators are plentiful, male guppies become increasingly drab over generations, pushed by predation pressure toward greater camouflage. So if camouflage ...

Oct. 9, 2024 — A new study has failed to find any strong links between drinking coffee during pregnancy and neurodevelopmental difficulties in ... Variability in When and How Cells Divide ...

Among the myriad of ways pregnancy affects your body and everyday life, its impact on your skin care regimen is often overlooked. Not only can your skin concerns change when pregnant — oily ...

Pregnancy is a transformative time in a person’s life where the body undergoes rapid physiological adaptations to prepare for motherhood — that we all know. What has remained something of a mystery is ...

For most, being pregnant is a joyous journey, but it's often not without its challenges. Being pregnant comes with many sleep hurdles like heartburn, insomnia and joint and ligament pain ...

For the first time, scientists have observed the brain throughout the pregnancy timeline, from pre-conception to postpartum. Using precision brain imaging, researchers were able to map ...

Pregnancy overhauls a woman’s body. The brain is no exception. A detailed study of a woman’s brain before, during and after pregnancy revealed sweeping neural changes, some of which stuck ...

Researchers have created one of the first comprehensive maps of how the brain changes throughout pregnancy, substantially improving upon understanding of an understudied field. Certain brain ...

As hormones surge, some brain areas shrink in what scientists say may be a fine-tuning that helps mothers bond with and care for their babies. By Pam Belluck Pam Belluck covers brain health ...