Science News

High concentrations of the stress hormone cortisol in the body affect important DNA processes and increase the risk of long-term psychological consequences. These relationships are evident in a study on patients with Cus...

A new study has found broad support, even among smokers, for increasing the size of health warnings on cigarette packs.

A miniature female reproductive tract that fits in the palm of your hand has now been developed by researchers. It could eventually change the future of research and treatment of diseases in women's reproductive organs.T...

Researchers have had the closest look yet at the inner workings of a plant's circulatory system. Their findings show how nutrients get from the leaves, where they are produced through photosynthesis, to 'sinks' that can ...

When tilling soil, the blade of the tillage tool cuts through the dirt, loosening it up in preparation for seeding. The dirt granules are pushed aside in a way that certainly looks random--but might not be.

Reports of methane explosions in Siberia may be premature.

Nature has surprised physicists many times in history and certainly will do so again. Therefore, physicists have to keep an open mind when searching for phenomena beyond the Standard Model.

A Russian volcano erupted after 250 years of sleep.

Mr Kochevar eats his lunch DURING a 250km (150-mile) bike ride for charity in Ohio, William Kochevar found himself cycling behind a post-office van when it pulled over to make deliveries. Distracted and tired, Mr Kocheva...

How do you know if something is random? If you were a substitute teacher that only taught on Wednesdays, you might interpret a dip in attendance as a random fluctuation. If you taught that same class every single day, ho...

With the advent of laser technology in the 1960s, materials scientists gained a new tool to both study and modify materials. Today, lasers allow researchers to manipulate materials on atomic and subatomic levels, leading...

A study of nearly 7,500 Americans age 65 or older suggests that elevated blood pressure is not related to high mortality risk among people in that age group with weak grip strength.

US veterans who are being treated for schizophrenia are much less likely to drink any alcohol than the general population. But when they do misuse alcohol, it leads to worsening of their symptoms.

A faulty, rarely studied gene called USF3 may predispose individuals to thyroid cancer, suggests scientists in a new report.

Researchers have discovered drugs that activate signaling pathways leading to specific adult brain cell types from stem cells in the mouse brain, according to a new study. The results may open new avenues for drug develo...

While the search for elixir of life has captivated human imagination for millennia, researchers around the world have put in efforts to extend healthy lifespan and reduce the burden of morbid diseases in an increasingly ...

A long-term study of 565 children who grew up in the era of leaded gasoline has shown that their exposure to the powerful neurotoxin may have led to a loss of intelligence and occupational standing by the time they reach...

The physical stress of running a marathon can cause short-term kidney injury, according to new research. Although kidneys of the examined runners fully recovered within two days post-marathon, the study raises questions ...

Researchers have identified proteins that enable deadly malaria parasites to 'walk through cell walls' -- a superpower that was revealed using the Institute's first insectary to grow human malaria parasites. The research...

Among healthy postmenopausal women, supplementation with vitamin D3 and calcium compared with placebo did not result in a significantly lower risk of cancer after four years, according to a study.

The current evidence is insufficient to assess the balance of benefits and harms of screening for celiac disease in asymptomatic persons, the US Preventive Services Task Force has concluded.

Researchers found similar rates of disease-free survival and no difference in overall survival among women who received a laparoscopic or abdominal total hysterectomy for stage I endometrial cancer, according to a study.