Craving Sugar? Maybe It’s In Your Genes

craving sugar? maybe it's in your genes

The gene FGF21 provides the instructions for creating a hormone of the same name; it is linked with food regulation in rodents and nonhuman primates. This new insight suggests FGF21 might actually moderate some appetites in humans as well. Interestingly, the work also suggests that the liver, which secretes the FGF21 hormone and controls insulin resistance, could be playing a larger role in snack management because it produces this hormone and communicates with the brain. Continue reading “Craving Sugar? Maybe It’s In Your Genes” »

DNA Robots Can Sort Through Our Molecules

 

In a study published in Science, researchers at the California Institute of Technology designed a group of DNA robots. They are called DNA robots not because they have “bodies”, “hands”, “arms”, and “feet,” but because they perform mechanical tasks at the nanometer scale. The robots’ current goal is to work together to find and collect fluorescent molecules. Continue reading “DNA Robots Can Sort Through Our Molecules” »

How Can a Genealogy Hobby Help Police Catch a Killer?

Most people take up bowling or pottery for hobbies, but there is a group of people who enjoy genetic genealogy to help them to relax. Thanks to these hobbyists, breakthroughs have been made in some of the most famous cold cases in the United States.  Continue reading “How Can a Genealogy Hobby Help Police Catch a Killer?” »

Researchers Make a Breakthrough Concerning Treatment-Resistant Cancers

Scientists from Monash University and the Memorial Sloan Kettering Cancer Center (MSKCC, New York) have discovered why some cancers, particularly lung cancer and melanoma, are able to quickly become resistant to targeted therapies. Continue reading “Researchers Make a Breakthrough Concerning Treatment-Resistant Cancers” »

Proving Maternity with DNA Testing

While paternity testing is well known, did you know that there is also a DNA test available to prove maternity? While maternity DNA tests are requested less frequently than paternity tests, a maternal DNA test may be legally requested if a court ever wants to medically verify a mother for legal reasons. A court could request verification if there has been a hospital mix-up, or in foster care, adoption, or immigration cases.   Continue reading “Proving Maternity with DNA Testing” »