A harpy eagle, South America’s largest bird of prey, has been sighted in a rainforest in southern Mexico, where it was believed to be locally extinct.

Named for the crone-bird hybrid of Greek mythology, the appearance of this large and majestic raptor is worthy of the association. Adult females are much larger than their male counterparts, weighing in at close to 40 pounds, and measuring more than 6 feet from wing tip to wing tip.

Despite a significantly slower and lower birthrate than other eagle species, the harpy eagle numbers in the tens of thousands across South America. In Central America however, they’re virtually extinct.

In what’s being called “an unprecedented scientific and human adventure at the North Pole,” the $23 million Tara Polar Station will be the home of a team of 18 people made up of scientists, artists, physicians, journalists, and sailors.

The mission of this drifting science station is to gather data and perform research during the period from November to February, a part of the year that lacks observations because of the dangers inherent in a region of the world that is warming faster than anywhere else.

“We have basically no information,” Tara Ocean Foundation’s Chris Bowler told New Scientist. “Which is alarming, considering it is such a fragile place and it is changing so rapidly.”

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Scientists identified a new electrically conductive bacterium, Ca. Electrothrix yaqonensis, with potential applications in pollution cleanup and bioelectronics. Researchers have discovered a previously unknown species of bacteria capable of conducting electricity, potentially paving the way for i

Intelligence—natural or artificial—may be a matter of geometric structure, not temporal sequence, challenging how we understand thought itself.

Thousands of people who are born deafblind will understand live conversations for the first time thanks to new research into smart textiles being developed by Nottingham Trent University (NTU).

Metallic freezing isn’t just fiction anymore; scientists explore a real process that mirrors Star Wars’ carbonite.

Researchers have long used spatial proteomics, particularly immunofluorescence-based methods, to identify, quantify and map proteins within tumours and their microenvironments. Now, these tools are edging towards the clinic.

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Sophie Cohen-Bodénès and Peter Neri, neuroscientists at École Normale Supérieure, in France, report possible evidence of cuttlefish communicating by waving their ‘arms’ at one another. Their paper is posted on the bioRxiv preprint server.

Prior research has shown that cuttlefish can change their skin color on demand and use that ability as a form of communication. Cuttlefish have also been observed moving their arms in certain ways when confronting other males. They possess eight arms lined with suckers, along with a pair of tentacles situated close to their mouths. In this new effort, the researchers took a closer look at the ways cuttlefish move their arms, possibly as a means of communicating with others of their kind.

The researchers put several specimens in a tank in their lab to observe them as they interacted with one another. They also videotaped several specimens as they moved their arms and played the videos back to the cuttlefish to see how they would react. They found four waving patterns that appeared to be consistent—up, side, roll, and crown.