Recently, Vitaliy Husar received results from a DNA screening that changed his life. It wasn't a gene that suggested a high likelihood of cancer or a shocking revelation about his family tree. It was his diet. It was all wrong.
Tagged With genetics
Diagnosing disease often requires analysing and detecting single cells with lab tests that cost hundreds of dollars each. Hospitals in a poor country stricken with a disease epidemic like HIV or malaria simply might not have the funds to run all of those tests. Scientists are looking for a cheaper option.
If you wanted to, say, turn a red pepper yellow, you have a few options. You could directly tinker with with the plant's genetic code, tweaking the genes that control its colour. Or, perhaps, you could just mist the plant with a spray that changes its gene expression without altering its genetics.
Researchers have discovered that Atlantic killifish are now 8000 times more resilient to high levels of toxic waste than other fish, allowing them to survive extreme levels of pollution that would normally be deadly. It sounds like an evolutionary success story, but examples like this are exceptionally rare in the animal kingdom.