Greenhouse gases: First it was cows, now it’s larvae
During the day, the Chaoborus spp hide in the sediment where dissolved methane is transferred into their gas sacs. Using the buoyancy from the...
Buzzing the brain with electricity can boost working memory
The scans show that stimulation 'in beat' increases brain activity in the regions involved in task performance. On the other hand, stimulation 'out of...
Parenthood linked to longer life
Parenthood is associated with a longer life than childlessness, particularly in older age, when health and capacity may start to decline, finds a new...
3-plus hours daily screen time linked to diabetes risk factors for kids
Daily screen time of three or more hours is linked to several risk factors associated with the development of diabetes in children, finds a...
Early Earth had a hazy, methane-filled atmosphere
A new research paper describes a period more than 2.4 billion years ago, when Earth's atmosphere was filled with a thick, methane-rich haze much...
Explaining a ‘once-in-a-billion-year event’: A perfect storm of fire and ice may have led...
About 700 million years ago, runaway glaciers covered the entire planet in ice. Harvard researchers modeled the conditions that may have led to this...
Depression doubles long-term risk of death after heart disease diagnosis, new study finds new...
Depression is the strongest predictor of death in the first decade following a diagnosis of coronary heart disease, according to a new study by...
For hospitalized patients, spending more on care doesn’t buy better health
Hospitalized patients treated by physicians who order more or more expensive tests and procedures are just as likely to be readmitted or to die...
Yes, she’s smiling: Mona Lisa’s facial expression
It is perhaps the world's most famous painting: Leonardo da Vinci's Mona Lisa. The ambiguous facial expression of Mona Lisa was long thought to...
Radiation from nearby galaxies helped fuel first monster black holes
The massive black hole shown at left in this drawing is able to rapidly grow as intense radiation from a galaxy nearby shuts down...
Enzyme-free Krebs cycle may have been key step in origin of life on Earth
A set of biochemical processes crucial to cellular life on Earth could have originated in chemical reactions taking place on the early Earth four...
