Adult brain cells rediscover their inner child

Adult brain cells rediscover their inner child

You may not be able to relive your youth, but part of your brain can. Johns Hopkins researchers have found that newly made nerves in an adult brain's learning center experience a one-month period…
Finding the source of fecal bacteria

Finding the source of fecal bacteria

Excessive levels of fecal bacteria were to blame for almost 60 percent of Nebraska streams deemed impaired by federal and state environmental laws in 2004. In order to develop effective pollution…
Study sheep to understand pregnant teen girls

Study sheep to understand pregnant teen girls

Two new papers demonstrate that adolescent female sheep that become pregnant before they have achieved their full growth may not be able to supply enough nourishment for their fetuses to develop…
Tiny genes may increase cancer susceptibility

Tiny genes may increase cancer susceptibility

New evidence indicates that small pieces of noncoding genetic material known as microRNAs (miRNAs) might influence cancer susceptibility. Differences in certain miRNAs may predispose some individuals…
Botulism bug has few genome wrinkles

Botulism bug has few genome wrinkles

The genome of the organism that produces the world's most lethal toxin is revealed today. This toxin is the one real weapon in the genome of Clostridium botulinum and less than 2 kg - the weight of…
Resistance genes in our food supply

Resistance genes in our food supply

Could the food we eat be contributing to the continuing rise of antibiotic-resistant infections? Harmless and even beneficial bacteria that exist in our food supply may also be carrying genes that…
Some stem cells may look mean but act nice

Some stem cells may look mean but act nice

Call it the cellular equivalent of big glasses, a funny nose and a fake mustache. Bone marrow stem cells attracted to the site of a cancerous growth frequently take on the outward appearance of the…