A new study suggests that Neanderthals experienced a dramatic loss of genetic variation during the course of their evolution, foreshadowing their eventual extinction. Examination of semicircular canals of ear shows Neanderthals experienced ‘bottleneck’ event where physical and genetic variation was lost.

A team has used a process known as DNA origami to make electrochemical sensors that can quickly detect and measure biomarkers.

Biologists have learned several interesting patterns related to bee communication. One such observation was that bees have consistent, unique ways of dancing, meaning each bee has its own ‘style’ that it adds to the communication. Could the success of the waggle dance be related to this uniqueness? Would bees that communicated similarly yield more successful recruits? Or is there some other factor at play? This study reveals the waggle to be a diverse form of communication that helps improve the likelihood that one bee can tell another where food can be found.

A new artificial intelligence model measures how fast a patient’s brain is aging and could be a powerful new tool for understanding, preventing and treating cognitive decline and dementia.

Bigger animals consistently show higher prevalence of both benign and malignant tumors.

This research comes as dengue-carrying mosquitoes expand their territory into new regions, including Southern California.

There’s an arms race in medicine — scientists design drugs to treat lethal bacterial infections, but bacteria can evolve defenses to those drugs, sending the researchers back to square one. A team describes the development of a drug candidate that can stop bacteria before they have a chance to cause harm.

Remember when 2 degrees Celsius of global warming was the doomsday scenario? Well, we’re now staring down the barrel of something much worse. From the fish on your plate to the weather outside your window, everything’s about to change. A new study underscores the grave risks posed by insufficient national commitments to reducing greenhouse gas emissions.

New research uncovers the survival strategy juvenile Chinook salmon adopt to migrate to the ocean, providing insight on how to conserve the threatened fish.

From the perspective of complex systems, the study reveals the universality, specificity, and explanatory power of underlying rules governing urban system evolution.