MS-LS3-1
Develop and use a model to describe why structural changes to genes (mutations) located on chromosomes may affect proteins and may result in harmful, beneficial, or neutral effects to the structure and function of the organism.
- Agriculture
New gene resists our last-ditch drug
Antibiotic resistance continues to grow. Now, scientists have found a tiny loop of DNA that resists a drug doctors use as a last line of defense.
- Animals
Gene editing creates buff beagles
Scientists showed that a potentially useful new gene-editing tool can work in dogs. It created a pair of adorable, muscular puppies. But the goal is to use it for other research purposes.
- Chemistry
Trio gets chemistry Nobel for figuring out DNA repair
Three researchers have won the 2015 Nobel Prize in chemistry for working out how cells fix damaged genetic material.
- Earth
Cool Jobs: Finding foods for the future
What's for dinner... tomorrow? Scientists are developing new foods to meet the demands of the growing population in a changing world.
- Health & Medicine
New treatments may rally ex-president’s fight against cancer
Former President Jimmy Carter has a potentially lethal type of skin cancer that has already spread to his liver and brain. Recent improvements in medicine may help him fight it.
- Animals
Chikungunya wings its way north — on mosquitoes
A mosquito-borne virus once found only in the tropics has adapted to survive in mosquitoes in cooler places, such as Europe and North America.
- Genetics
DNA: Our ancient ancestors had lots more
Ancestral humans and their extinct relatives had much more DNA than do people today, a new study finds. It mapped genetic differences over time among 125 different human groups.
- Brain
Explainer: Sometimes the body mixes up male and female
Certain medical conditions demonstrate how complicated biology can be. Being genetically male and female will not guarantee that your body won’t sometimes contain one or more features of both.
- Health & Medicine
New ways to fight the flu
Influenza sickens millions each year. A worldwide epidemic could kill many of them. Fortunately, new ways to fight the flu offer hope — before it’s too late.
- Animals
Return of the bed bug
Bed bugs have staged a comeback over the past 15 years. The bloodsucking parasites succeeded through a combination of evolution and luck.
- Microbes
Making a microbe subway map
We are surrounded by bacteria, fungi and other tiny organisms. Now, high school scientists have contributed to the first map of microbes in the New York subway system.
- Health & Medicine
New virus may have given kids polio-like symptoms
More than 100 U.S. children developed a paralyzing illness in 2014. Genetic evidence now suggests that the most likely culprit is a new form of a virus in the polio family.
