Figure shows the ventrolateral part (highlighted in green) of the ventromedial hypothalamus (circled) in the mouse brain, where aggressive motivations build up immediately before acts of violence and bullying.Credit: Images courtesy of Nature Neuroscience The..
Lizards preserved in mid-Cretaceous amber from Myanmar. Credit: Daza et al. Sci. Adv. 2016; 2 : e1501080 These tiny ancient lizards found well-preserved in amber provide a glance at what life would have been like..
The body and wings of the dragonfly Pantala flavescens have evolved in a way that lets the insect glide extraordinary distances on weather currents.Credit: Greg Lasley A dragonfly barely an inch and a half long..
Tiger camera trap. An eight-year study shows tiger population recovering in a Thai sanctuary, the only location in Southeast Asia where tigers are confirmed to be increasing in number.Credit: Government of Thailand/WCS Thailand A new..
Chimpanzee grooming.Credit: Dr Nicholas Newton-Fisher Bystanders can influence the way adult male chimpanzees establish grooming interactions according to research by anthropologists at the University of Kent. The results challenge existing theories and bring into question..
Two fighting ants were trapped in 99-million-year-old Burmese amber.Credit: Phillip Barden Like people, ants have often fought over food and territory. But ants began fighting long before humans: at least 99 million years ago, according..
A new study involving CU-Boulder and the Chinese Academy of Sciences has confirmed that a flightless bird weighing several hundred pounds roamed Ellesmere Island in the high Arctic about 50 million years ago.Credit: Illustration by..
Green when young, and about the size of an adult human’s hand when full-grown, Dryococelus australis is more commonly known as the Lord Howe Island stick insect, or the tree lobster.Courtesy of Rohan Cleave/Melbourne Zoo..
Each dot represents a single bird species; the location represents the average of the population for each day of the year (see paper for a more precise explanation of the “average location”). For the first..
For the first time horses have been shown to be able to distinguish between angry and happy human facial expressions. Psychologists studied how 28 horses reacted to seeing photographs of positive versus negative human facial..