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The retina can be bombarded by reactive oxygen species in diabetes, prompting events that destroy healthy blood vessels, form leaky new ones and ruin vision, and now researchers have learned that those chemically reactive molecules must come from both the bone marrow as well as the retinal cells themselves to cause>

Many people, perhaps most, hate the idea that life might depend on chance processes. It is a human tendency to search for meaning, and what could be more meaningful than the belief that our lives have a greater purpose, that all life in fact is guided by a supreme intelligence which manifests itself even at the level>

Wheat is a critical staple crop that provides 20% of the calories and over 25% of the protein consumed by humans. 'Yellow rust' caused by the fungus Puccinia striiformis f. sp. tritici (PST) is one of the plant's major diseases and is found throughout the major wheat-producing areas of the world. Infections lead to>

My pal Julie Stewart tags Humboldt squid. She catches squid, attaches little recording devices to them, then drops them back in the ocean and waits for the tag to pop off a few days later. When it pops off, it's supposed to chirp out a satellite signal. That's Julie's cue to hop in a boat, pick up the tag and (hopefully)>

If you ask doctors what the biggest myth about the flu is, they will tell you that it's people thinking they have the flu. Flu-like illness can be caused by many pathogens, and most people don't go to the doctor for it, making it difficult to assess how often people really have. Older and young people are more>

Fibromyalgia is the term for a poorly-understood condition where people experience pain and fatigue while moving but have no testable inflammation or damage. Because fatigue is a non-specific symptom, fibromyalgia becomes a 'diagnosis of exclusion', where pain persists but testable conditions are ruled out. It is>

