Researchers at Duke University sifted through more than and found an absence of strong evidence that any of these approaches can make a big difference.

VOA: standard.2010.06.17

Now there is new evidence to suggest that houses built with bales of straw can be very strong.

VOA: special.2009.10.05

The scientists based their study on earlier evidence that turmeric has strong antioxidant and anti-inflammatory qualities.

VOA: special.2009.05.19

The study was based on earlier evidence that turmeric has strong antioxidant and anti-inflammatory qualities.

VOA: special.2010.06.01

"Exercise,diet,cognitive stimulation showed some positive effects, although the evidence was not so strong that we could actually consider these firmly established."

VOA: standard.2010.06.17

"There is no evidence that the U.S.is any less strong than it has always been.

VOA: standard.2010.03.18

"We have strong bodies of evidence from most countries in Europe in which people, including doctors, public health professionals are disseminating doubts about the validity of the vaccine,"

VOA: standard.2009.11.25

While Eleanor Johnson believes there is a strong connection between widespread mistakes in writing and Internet usage, she concedes that the scientific evidence might not exist yet to confirm her suspicions.

VOA: standard.2010.01.16