If "Lucy" wasn't alone, and since there is no evidence of spontaneous generation she was not alone, who else was in her neighborhood? Fossil evidence indicates that multiple early human ancestor species lived at the same time more than 3 million years ago, at least four identified hominin species that co-existed between 3.8 and 3.3 million years ago during the middle Pliocene. 

A species of tropical fish has been shown to be able to distinguish between human faces. It is the first time fish have demonstrated this ability.

In a meta-analysis of hundreds of clinical trials involving thousands of patients, researchers at University of California San Diego School of Medicine report that therapeutic approaches using precision medicine, which emphasizes the use of individual genetics to refine cancer treatment, showed improved response and longer periods of disease remission, even in phase I trials.

The findings are published in the June 6, 2016 issue of JAMA Oncology.

ITHACA, NY-- When gardeners look at a petunia, they see the vibrant and versatile blooms of the most popular bedding plant in the U.S. But when plant scientists look at a petunia, they see an important model plant species--one that just became more useful with the release of its parents' genomes.

Psychological characteristics link genes with upward social mobility, according to data collected from almost 1000 individuals over four decades. The data suggest that various psychological factors play a role in linking a person's genetic profile and several important life outcomes, including professional achievement, financial security, geographic mobility, and upward social mobility.

The findings are published in Psychological Science, a journal of the Association for Psychological Science.

The study, led by psychological scientist Daniel W. Belsky of Duke University School of Medicine, builds on previous research indicating a genetic continuum that predicts individuals' educational achievement.

Though they meet thousands of new people in their lifetime, what underlying psychological factors might couples use to stay committed to their partners? According to a recent study, people in relationships actually see tempting people outside of their partnership as less attractive. This perceptual bias could represent a non-conscious method of self-control that assists in overcoming temptations in order to facilitate long term goals of staying with a romantic partner.