loading ...
General Science / Biology news 1234

Female concave-eared frogs draw mates with ultrasonic calls

11 hours ago | User rating: 4.8 / 5 after 6 vote(s) | User comments: 1

Most female frogs don’t call; most lack or have only rudimentary vocal cords. A typical female selects a mate from a chorus of males and then –silently – signals her beau. But the female concave-eared torrent ...


Elusive protein protects malaria parasite from heme

May 09, 2008 | User rating: not shown ( 4 vote(s) ) | User comments: 1

Researchers at the Virginia Bioinformatics Institute at Virginia Tech have identified Heme Detoxification Protein, a unique protein encoded in the malaria genome that represents a potential target for developing ...


'Early birds' adapt to climate change

May 09, 2008 | User rating: not shown ( 4 vote(s) ) | User comments: 1

Individual birds can adjust their behaviour to take climate change in their stride, according to a study by scientists from the University of Oxford.


New cost-effective means to reconstruct virus populations

May 09, 2008 | User rating: not rated yet | No comments yet

Researchers from the United States and Switzerland have developed mathematical and statistical tools for reconstructing viral populations using pyrosequencing, a novel and effective technique for sequencing DNA. They describe ...


Tomato stands firm in face of fungus

May 09, 2008 | User rating: not shown ( 1 vote(s) ) | No comments yet

Scientists at the University of Amsterdam have discovered how to keep one’s tomatoes from wilting – the answer lies at the molecular level. The story of how the plant beat the pathogen, and what it means for combating other ...


Dying bats in the Northeast remain a mystery

May 08, 2008 | User rating: not shown ( 2 vote(s) ) | No comments yet

Investigations continue into the cause of a mysterious illness that has resulted in the deaths of thousands of bats since March 2008. At more than 25 caves and mines in the northeastern U.S, bats exhibiting a condition now ...


Scientists identify key roadblock to gene expression

May 08, 2008 | User rating: 3.4 / 5 after 5 vote(s) | No comments yet

A team of scientists has provided, for the first time, a detailed map of how the building blocks of chromosomes, the cellular structures that contain genes, are organized in the fruit fly Drosophila melanogaster. ...


Researchers identify photosynthetic dimmer switch

May 08, 2008 | User rating: 4.4 / 5 after 8 vote(s) | No comments yet

In a study of the molecular mechanisms by which plants protect themselves from oxidation damage should they absorb too much sunlight during photosynthesis, a team of researchers has discovered a molecular ...


Surprising discovery: Multicellular response is 'all for one'

May 08, 2008 | User rating: 4.3 / 5 after 10 vote(s) | No comments yet

Real or perceived threats can trigger the well-known “fight or flight response” in humans and other animals. Adrenaline flows, and the stressed individual’s heart pumps faster, the muscles work harder, the brain sharpens ...


Federal polar bear research critically flawed, says new study

May 08, 2008 | User rating: 4.4 / 5 after 5 vote(s) | User comments: 2

Research done by the U.S. Department of the Interior to determine if global warming threatens the polar bear population is so flawed that it cannot be used to justify listing the polar bear as an endangered species, according ...


Bread mold may hold secret to eliminating disease-causing genes

May 08, 2008 | User rating: not shown ( 3 vote(s) ) | No comments yet

When most people discover mold on their bread, they immediately throw it out. Others see a world of possibilities in the tiny fungus. A University of Missouri scientist, along with a collaborative research team, has examined ...


What's bugging locusts?

May 08, 2008 | User rating: 4.5 / 5 after 11 vote(s) | No comments yet

Since ancient times, locust plagues have been viewed as one of the most spectacular events in nature. In seemingly spontaneous fashion, as many as 10 billion critters can suddenly swarm the air and carpet the ground, blazing ...


It started with a squeak: Moonlight serenade helps lemurs pick mates of the right species

May 07, 2008 | User rating: not shown ( 1 vote(s) ) | No comments yet

Lonely hearts columns testify that finding a partner can be hard enough, but at least most human beings can be fairly certain that when we do we have got one of the right species. Things aren’t so simple for ...


When bears steal human food, mom's not to blame

May 07, 2008 | User rating: not rated yet | No comments yet

Researchers from the Wildlife Conservation Society (WCS) found that the black bears that become habituated to human food and garbage may not be learning these behaviors exclusively from their mothers, as widely ...


Researchers Tackling Unsolved Questions About Protein Structures

May 07, 2008 | User rating: not shown ( 4 vote(s) ) | User comments: 1

A University of Arizona research team is exploring the evolutionary origins of protein structures. Their findings will help people better understand how proteins evolved to carry out the instructions encoded ...


Pages: 1 Next »