930,814 articles

Will earlier springs throw nature out of step?

The recent trend towards earlier UK springs and summers has been accelerating, according to a new study. The research is the most comprehensive and rigorous assessment so far of long-term changes in the seasonal timing of biological events across marine, freshwater and terrestrial environments in the...

Music, not gadgets, related to teenagers' headaches

Use of most electronic media is not associated with headaches, at least not in adolescents. A study of 1,025 13- to 17-year-olds found no association between the use of computer games, mobile phones or television and the occurrence of headaches or migraines. However, listening to one or two hours of music every day was associated with a pounding...

Blueberries counteract intestinal diseases

It is already known that blueberries are rich in antioxidants and vitamins. New research shows that blueberry fiber is important and can alleviate and protect against intestinal inflammations, such as ulcerative colitis. The protective effect is even better if the blueberries are eaten together with...

Morality research sheds light on the origins of religion

The details surrounding the emergence and evolution of religion have not been clearly established and remain a source of much debate among scholars. Now, a new article brings a new understanding to this long-standing discussion by exploring the fascinating link between morality and...

Detecting cancer early

A new testing method is being developed to detect cancer soon after the tumor has formed. It will identify characteristic substances in the blood which accompany a certain type of tumor. The first steps in the development have already been completed.

Probing exoplanets from the ground: A little telescope goes a long way

NASA astronomers have successfully demonstrated that a David of a telescope can tackle Goliath-size questions in the quest to study Earth-like planets around other stars. Their work provides a new tool for ground-based observatories, promising to accelerate by years the search for prebiotic, or life-related, molecules on planets orbiting stars beyond our solar...

Toyota recalling Prius in Japan for brakes (AP)

AP - Toyota is recalling about 170,000 Prius hybrid cars in Japan for braking problems and will soon disclose its global plans for a fix as the automaker scrambles to repair damage to its reputation from a spate of safety...

Better sign of blood vessel narrowing and early coronary artery disease

Cardiologists and heart imaging specialists at 15 medical centers in eight countries have enrolled the first dozen patients in a year-long investigation to learn whether the subtle squeezing of blood flow through the inner layers of the heart is better than traditional SPECT nuclear imaging tests and other diagnostic radiology procedures for accurately tracking the earliest signs of coronary...

Small insect with a big heart: 'Giving' aphids endangered by their selflessness

One of the founding principles of Darwin's theory is that biological evolution has been shaped by the survival of the fittest. Things, however, are not always that simple as researchers have discovered while analyzing the social behavior of aphids. A few aphid species have "soldiers" who stop reproducing and instead contribute to the public good. Not only do they risk their lives to defend the...

Toyota sued in California by U.S. shareholders (Reuters)

Reuters - Toyota faced its first U.S. class-action lawsuits stemming from complaints of faulty brakes in its top-selling Prius hybrid car and from investors claiming they were misled about problems with unintended acceleration in a wide range of...

Depressed people feel more gray than blue

People with anxiety and depression are most likely to use a shade of gray to represent their mental state. Researchers writing in the open access journal BMC Medical Research Methodology describe the development of a color chart, The Manchester Color Wheel, which can be used to study people's preferred pigment in relation to their state of mind.

Gadgets not related to teenagers' brain pain

Use of most electronic media is not associated with headaches, at least not in adolescents. A study of 1025 13-17 year olds, published in the open access journal BMC Neurology, found no association between the use of computer games, mobile phones or television and the occurrence of headaches or migraines. However, listening to one or two hours of music every day was associated with a pounding...

ACLU accuses Calif. instructor of religion lessons (AP)

AP - An instructor at a public community college in Fresno has been presenting his religious views on homosexuality, abortion and global warming as fact to students in an introductory health science class, the American Civil Liberties Union alleged Monday.