Science News

Researchers have discovered how a protein molecule in immune cells promotes the production of nitric oxide, a potent weapon in the cells' arsenal to defend the body from bacterial attack. The protein may offer a target f...

A research team describes a gene called Snf2h, which is found in our brain's neural stem cells and functions as a master regulator. When they removed this gene early on in a mouse's development, its cerebellum only grew ...

The US Department of Defense and US Department of Veterans Affairs should track the outcomes of treatment for post-traumatic stress disorder (PTSD) provided to service members and veterans and develop a coordinated and c...

Researchers are working towards cutting off the growth of pancreatic tumors before they can metastasize throughout the body. Pancreatic cancer and other cancers can only thrive, grow and spread if they have nutrients fro...

The whole-genome sequence of Trichuris suis, a parasitic worm in pig, has been presented by an international team composed of 11 institutions from six countries. Understanding the genetics mechanisms underlying the pig p...

New pacemaker, implanted through an artery in the leg, requires no surgery.

Recently, a patient presented to cardiologists with three blockages around the heart. The physicians devised a new hybrid procedure, which included minimally invasive robotic bypass surgery to one vessel, as well as sten...

A biomarker that enables researchers to accurately characterize the properties and function of mesenchymal stem cells (MSCs) in the body has been identified. MSCs are the focus of nearly 200 active clinical trials regist...

Many pathogenic bacteria use special secretion systems to deliver toxic proteins into host cells. Researchers have determined the structure of a crucial part of one of these systems -- which are possible targets for nove...

Teens who use menthol cigarettes smoke more cigarettes per day than their peers who smoke non-menthols, says a new study. The findings mark the first time that menthol cigarettes have been directly linked to elevated nic...

Calling global mental health problems 'acute and urgent,' leading authorities from 11 countries have published a joint declaration calling for basic mental health care in Africa. Experts call for global mental health obj...

Physicists are using equations to reveal the hidden complexities of the human body. From the beating of our hearts to the proper functioning of our brains, many systems in nature depend on collections of 'oscillators'; p...

Sudden allergic reactions can be fatal. The most common triggers of such reactions, also known as anaphylaxis, are wasp and bee venoms, legumes (pulses), animal proteins, and analgesics (painkillers). The incidence of an...

People who get bitten by a blacklegged tick have a higher-than-expected chance of being exposed to more than one pathogen at the same time. "We found that ticks are almost twice as likely to be infected with two pathogen...

A number of frail, older hospital patients in the UK who are either malnourished or at risk of malnutrition may currently go unreported, according to the findings of a new clinical study. The research, which aimed to inv...

An independent review into the effectiveness of rapid diagnostic tests in diagnosing patients with visceral leishmaniasis (VL) has been completed. VL is caused by a parasite and results in fever, a large spleen and other...

Hydraulic engineers and photovoltaics experts have developed a solar filtration system to produce high-quality drinking water from polluted brackish water and tested it successfully in Tanzania. The test results are curr...

Cancer care has a new side effect. Along with the distress of a cancer diagnosis and the discomforts of treatment, patients now have to deal with "financial toxicity," the expense and anxiety confronting those who face l...

Patients with confirmed episodes of awareness during anesthesia and surgery don't seem to be at increased risk of posttraumatic stress disorder (PTSD) or other problems with psychosocial well-being at long-term follow-up...

Up to 75 scientists working in a U.S. government laboratory in Atlanta may have been exposed to live anthrax bacteria, the Centers for Disease Control and Prevention (CDC) said on Thursday. The CDC says it immediately be...

The summer solstice will occur tomorrow (June 21), marking the official start of summer.

A Port In Cannes, France Guy Lebègue, via Wikimedia Commons Here's a roundup of the week's top drone news, designed to capture the military, commercial, non-profit, and recreational applications of unmanned aircraft. Ad...