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Jurassic Pain: Giant 'Flea-like' Insects Plagued Dinosaurs 165 Million Years Ago

Published: May 1, 2012.
Released by Oregon State University  

CORVALLIS, Ore. – It takes a gutsy insect to sneak up on a huge dinosaur while it sleeps, crawl onto its soft underbelly and give it a bite that might have felt like a needle going in – but giant "flea-like" animals, possibly the oldest of their type ever discovered, probably did just that.

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More news from Oregon State University

A Mile Deep, Ocean Fish Facing Health Impacts from Human Pollution
CORVALLIS, Ore. - Deep-water marine fish living on the continental slopes at depths from 2,000 feet to one mile have liver pathologies, tumors and other health problems that may be linked to human-caused pollution, one of the first studies of its type has found.

Genetic Discovery May Offer New Avenue of Attack Against Schistosomiasis
CORVALLIS, Ore. - Researchers at Oregon State University have discovered a group of genes in one species of snail that provide a natural resistance to the flatworm parasite that causes schistosomiasis, and opens the door to possible new drugs or ways to break the transmission cycle of this debilitating disease.

Study: Zinc Deficiency Linked to Immune System Response, Particularly in Older Adults
CORVALLIS, Ore. - Zinc, an important mineral in human health, appears to affect how the immune system responds to stimulation, especially inflammation, new research from Oregon State University shows. Zinc deficiency could play a role in chronic diseases such as cardiovascular disease, cancer and diabetes that involve inflammation. Such diseases often show up in older adults, who are more at risk for zinc deficiency.

'Additive Manufacturing' Could Greatly Improve Diabetes Management
CORVALLIS, Ore. - Engineers at Oregon State University have used "additive manufacturing" to create an improved type of glucose sensor for patients with Type 1diabetes, part of a system that should work better, cost less and be more comfortable for the patient.

Study: Past Warming Increased Snowfall on Antarctica, Affecting Global Sea Level
CORVALLIS, Ore. - A new study confirms that snowfall in Antarctica will increase significantly as the planet warms, offsetting future sea level rise from other sources - but the effect will not be nearly as strong as many scientists previously anticipated because of other, physical processes. That means that many computer models may be underestimating the amount and rate of sea level rise if they had projected more significant impact from Antarctic snow.

High Cholesterol, Triglycerides Can Keep Vitamin E from Reaching Body Tissues
CORVALLIS, Ore. - In the continuing debate over how much vitamin E is enough, a new study has found that high levels of blood lipids such as cholesterol and triglycerides can keep this essential micronutrient tied up in the blood stream, and prevent vitamin E from reaching the tissues that need it.

Some Tropical Plants Pick the Best Hummingbirds to Pollinate Flowers
CORVALLIS, Ore. - Rather than just waiting patiently for any pollinator that comes their way to start the next generation of seeds, some plants appear to recognize the best suitors and "turn on" to increase the chance of success, according to a new study published this week.

People with Disabilities Experience Unrecognized Health Disparities, New Research Shows
CORVALLIS, Ore. - People with disabilities have unmet medical needs and poorer overall health throughout their lives, and as a result should be recognized as a health disparity group so more attention can be directed to improving their quality of life, a team of policy researchers has found.

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