Bumble bee workers sleep less while caring for young

All animals, including insects, need their sleep. Or do they? That's the question researchers are exploring in sleep studies of a surprising group of subjects: brood-tending bumble bee workers. Their studies show that worker bees tending pupae sleep much less than other bees do, even when caring for offspring that aren't their own.

Read more

Genomes of parasitic mites harming the world's bees sequenced

Researchers sequenced the genomes of the two Varroa mite species that parasitize the honey bee. They found that each species of mite used its own distinct strategy to survive in its bee host, potentially overwhelming the bees' defenses. In addition to pointing to how scientists might vanquish these deadly intruders, the findings also shed light on how parasites and hosts evolve in response to one another.

Read more

Food insecurity in young adults raises risk for diabetes, high blood pressure, asthma

A paradox of food insecurity in wealthy countries is its association with excess weight. Now, a study finds that young adults in the United States who are food insecure not only are slightly more likely to be obese, they are significantly more likely to suffer from disorders associated with high body mass index, as well as obstructive airway diseases like asthma.

Read more

Gel-like fluid designed to prevent wildfires

Scientists and engineers worked with state and local agencies to develop and test a long-lasting, environmentally benign fire-retarding material. If used on high-risk areas, the simple, affordable treatment could dramatically cut the number of fires that occur each year.

Read more

Do Celiac families really need 2 toasters?

Parents using multiple kitchen appliances and utensils to prevent their child with celiac disease from being exposed to gluten may be able to eliminate some cumbersome steps. A new preliminary study found no significant gluten transfer when tools like the same toaster or knives are used for both gluten-free and gluten-containing foods.

Read more