Many people have experienced a few nights of bad sleep that resulted in shifting attention spans, impulsive tendencies and hyperactivity the next day -- all behaviors resembling ADHD. A new study found that this dynamic may also be linked to increased entrepreneurial behavior.

Your gut bacteria could say a lot about you, such as why you're diabetic or how you respond to certain drugs. But scientists can see only so much of the gastrointestinal tract to study the role of gut bacteria in your health. Researchers built a way to swallow a tool that acts like a colonoscopy, except that instead of looking at the colon with a camera, the technology takes samples of bacteria.

Chemists expand the genetic code of Escherichia coli bacteria to produce a synthetic building block, a 'noncanonical amino acid' that makes it a living indicator for oxidative stress. The research is a step toward designed cells that detect disease and produce their own drugs.

In an animal model of multiple sclerosis (MS), decreasing the amount of a protein made in the liver significantly protected against development of the disease's characteristic symptoms and promoted recovery in symptomatic animals, scientists report.

African fish called mormyrids communicate using pulses of electricity. New research shows that a time-shifted signal in the brain helps the fish to ignore their own pulse. This skill has co-evolved with large and rapid changes in these signals across species.

Women are more likely than men to suffer adverse side effects of medications because drug dosages have historically been based on clinical trials conducted on men, suggests new research.

New drug regimen for multidrug-resistant tuberculosis shows early effectiveness in 85 percent of patients in a cohort including many with serious comorbidities. The results suggest a global need for expanded access to two recently developed medicines, bedaquiline and delamanid. Study cohort included many people who would have been excluded from trials because of comorbidities, severity of disease...

New research identifies a protein encoded by SARS-CoV-2, the virus that causes COVID-19, that may be associated with the quick spread of the virus through cells in the human body.

Bioengineers have created an osmotic therapy device that gently removes fluid from the spinal cord to reduce swelling in injured rats with good results. The device can eventually be scaled up for testing in humans.

More than 380,000 babies are born prematurely in the United States each year, according to the March of Dimes. 'Preemies' can be severely underweight babies and struggle to get the nutrients they need from breast milk alone, so neonatal intensive care units provide an additional milk fortifier, either in the form of cow's milk or manufactured from donor breast milk, to keep them healthy.

From 2007 to 2009, a devastating yellow fever virus outbreak nearly decimated brown and black and gold howler monkey populations at El Parque El Piñalito in northeastern Argentina. An international research team tested if howlers who survived the outbreak had any genetic variations that may have kept them alive. In brown howlers, they found two mutations on immune genes that resulted in amino...

Young children will pass up rewards they know they can collect to explore other options, a new study suggests. Researchers found that when adults and 4- to 5-year-old children played a game where certain choices earned them rewards, both adults and children quickly learned what choices would give them the biggest returns. But while adults then used that knowledge to maximize their prizes, children...

A research team has outlined how the Zika virus, which constituted an epidemic threat in 2016, suppresses the immune system of its host. The work provides valuable structural and functional information on the interaction between ZIKV and its host and offers a framework for the development of vaccines and antivirals.

Two algorithms that account for distinctive use of repeated words and word pairs require as few as 50 tweets to accurately distinguish deceptive 'troll' messages from those posted by public figures.

Using an alcohol mixture, researchers modified how ink droplets dry, enabling cheap industrial-scale printing of electronic devices at unprecedented scales.

Inflammation and oxidative stress may be involved in the pathogenesis of iron overload disorder in captive black rhinoceroses, making this syndrome a potential common denominator to various diseases described in captivity in this species, according to a new study.

Ancient people in the Near East had begun the practice of intentionally cremating their dead by the beginning of the 7th millennium BC, according to a new study.

A new study finds yoga improves symptoms of generalized anxiety disorder, suggesting the popular practice may be helpful in treating anxiety in some people.

Radiocarbon dating is set to become more accurate than ever after an international team of scientists improved the technique for assessing the age of historical objects.

A new mouse study hints that oxygen therapy may have unintended consequences via an unexpected source -- the microbiome.

A trusting therapeutic relationship and outcome-oriented collaboration between therapist and patient are critical for the successful treatment of mental illness. And it pays to start early in therapy, a series of meta-studies shows.

The question of how small, dwarf galaxies have sustained the formation of new stars over the course of the Universe has long confounded the world's astronomers. An international research team has found that dormant small galaxies can slowly accumulate gas over many billions of years. When this gas suddenly collapses under its own weight, new stars are able to arise.

A study of five different seafoods has found traces of plastic in every sample tested.

Billions of tons of carbon dioxide risk being lost into the atmosphere due to tropical forest soils being significantly more sensitive to climate change than previously thought.