All News
Phys.org / Butterfly ranges shift worldwide amid climate change, with most species expanding their reach
A global analysis of range-shift records for 1,758 butterfly species—10% of known butterfly species—found that 80% had expanded their range and that 79% of all recorded range shifts were linked to climate change and extreme ...
Phys.org / Dodo birds more clever than we thought
The Mauritian dodo—a global symbol of human-caused extinction and one of the world's largest pigeons—may not have deserved its reputation as a silly simpleton and may have been the only member of its group to live in the ...
Phys.org / The asteroid that may be three worlds
What shape is an asteroid? For (44) Nysa, the honest answer until now has been that nobody knew. It is one of the brightest and largest E-type asteroids in the main belt, a class with a surface rich in enstatite, and its ...
Phys.org / Neanderthal growth hormone receptor increases muscle mass in people today, study shows
Neanderthals were generally more strongly built than most people living today. Their bones show signs of large muscles, and they had characteristic features such as prominent brow ridges and relatively short tooth roots.
Phys.org / Mega-study analyzes the impact of gratitude interventions
Are some interventions designed to induce gratitude more effectively than others? In which countries and cultures do they work best to improve mood, strengthen bonds between people and promote social reciprocity? A study ...
Tech Xplore / A new attack slips past the latest defenses built into your computer's processor
Chipmakers and operating system developers have spent years building defenses. A new study from MIT's Computer Science and Artificial Intelligence Laboratory (CSAIL) shows that a key assumption behind many of them doesn't ...
Medical Xpress / Rising temperatures linked to higher risk of homicide and suicide in Mexico and Brazil
As temperatures on Earth continue to rise, some researchers have been trying to understand how climate change influences people's physical and mental health. Some past studies have found an association between warmer weather ...
Medical Xpress / A precise neuronal mechanism allows the brain to plan future routes to remembered goals
When humans and other animals move through familiar or unfamiliar environments, their brains rely on numerous intricate neural processes to decide which path to take next. Past studies have identified a specific population ...
Phys.org / Gut cells may measure hunger by how watery their insides become
Researchers led by Sa Kan Yoo at the RIKEN Center for Biosystems Dynamics Research (BDR) in Japan have discovered that the natural turnover of gut cells in fruit flies depends on how much food the flies get, rather than on ...
Medical Xpress / Ketamine triggers morning cortisol surge tied to fewer suicidal thoughts—but the link remains uncertain
In 1970, ketamine was approved as an anesthetic. It works by blocking receptors in the brain. Suicidal tendencies are among the dangers that accompany severe depression. Doctors have found that a low dose of ketamine, much ...
Medical Xpress / Study points to new target for treating aggressive brain cancer
Glioblastoma remains one of the deadliest cancers, with limited treatment advances and tumors that often resist radiation and chemotherapy. New research from The Ohio State University Comprehensive Cancer Center–Arthur G. ...
Phys.org / Nocturnal 'coffee frog' discovered in Costa Rica
A tiny greenish, nocturnal frog that thrives in coffee plantations has been discovered in Costa Rica's central Pacific region, where it also faces risks from agrochemicals used in farming.
