Science & Technology

The use of cannabis may have a negative impact on outcomes for a common bypass surgery, a study suggests. Patients who used cannabis prior to lower extremity bypass had decreased patency, meaning the graft had a higher chance of becoming blocked or occ…

Recognizing someone may be more difficult when you are wearing a face mask — even if the person you are looking at is maskless, according to new research.

In people carrying the APOE4 risk variant, a key brain cell type mismanages cholesterol needed to insulate neurons properly –another sign that APOE4 contributes to disease by disrupting lipids in the brain.

Two new studies reveal how bacteria infiltrate tumors and could be helping tumors progress and spread and suggest a link between oral health and cancer, as microbes in the mouth are associated with cancers elsewhere in the body. The two articles focus …

The ADHD medication lisdexamfetamine was associated with the lowest risk of hospitalization and death in people with amphetamine addiction, when medications generally used among persons with substance use disorders were compared, according to a new stu…

Researchers have found that Enterococcus — an antibiotic-resistant, opportunistic pathogen — works together with C. difficile, reshaping and enhancing the metabolic environment in the gut so that C. difficile can thrive.

Researchers have developed an alternative positioning system that is more robust and accurate than GPS, especially in urban settings. The working prototype that demonstrated this new mobile network infrastructure achieved an accuracy of 10 centimeter. …

Preserving and restoring natural habitats could prevent pathogens that originate in wildlife from spilling over into domesticated animals and humans, according to two new companion studies.

In a real-world test of a new tool to better evaluate anti-poverty policies, a new study shows the economic benefits of expanding electricity access.

For millennia, caves have served as shelters for prehistoric humans. Caves have also intrigued scholars from early Chinese naturalists to Charles Darwin. A cave ecologist has been in and out of these subterranean ecosystems, examining the unique life f…

The first ever systematic review of its kind confirms that taking probiotics alongside antibiotics can protect against some of the negative impacts of antibiotics on the human gut microbiome.

Data from 53 countries shows that men in those regions share the significant decline in total sperm counts (TSC) and sperm concentration (SC) seen previously in North America, Europe and Australia. Furthermore, this study shows an accelerated post-2000…

Immune checkpoint inhibitors such as Keytruda and Opdivo work by unleashing the immune system’s T cells to attack tumor cells. Their introduction a decade ago marked a major advance in cancer therapy, but only 10% to 30% of treated patients experience …

Employees who perceive managerial controls to be restrictive and punitive will develop dysfunctional and negative responses to the organization where they work, according to a new study. These responses might be observed through what the researchers ca…

New research finds indoor relative humidity between 40 and 60 percent is associated with relatively lower rates of COVID-19 infections and deaths, while indoor conditions outside this range are associated with worse COVID-19 outcomes.

A radio telescope in remote Western Australia is helping to build a 3-dimensional map of the night sky, mapping nearby galaxies up to a billion light years away.

New research has found no evidence that cannabidiol (CBD) reduces the negative effects of cannabis.

In contrast to what many believe, Swedish men and women with higher incomes have more children, new research shows. This pattern is particularly clear for men and grows stronger over time: the more money, the more children. But after four children, thi…

Enzymes, which are crucial to controlling how cells replicate in the human body, could be the very ingredient that encourages DNA to spontaneously mutate — causing potentially permanent genetic errors, according to new research.

Scientists have used synthetic biology to create artificial enzymes programmed to target the genetic code of SARS-CoV-2 and destroy the virus, an approach that could be used to develop a new generation of antiviral drugs.