We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen ...

This DNA has suffered a mutation, either through mis-copying (when its parent cell divided), or through the damaging effects of exposure to radiation or a chemical carcinogen.

A 2022 study seems to highlight how the melanin in the skin of these frogs has somehow insulated them from some of the worse ...

What causes a mutation? Mutations can be caused by high-energy sources such as radiation or by chemicals in the environment. They can also appear spontaneously during the replication of DNA.

Edward Calabrese, University of Massachusetts at Amherst, traces the history of the LNT model for ionizing radiation mutation, a concept accepted in the 1950s and recommended by national and ...

Reproductive organs High doses can cause sterility or mutations. Skin Radiation can burn skin or cause cancer. Bone marrow Radiation can cause leukaemia and other diseases of the blood.

Applied since the 1930s to accelerate the process of developing and selecting new valuable agronomic traits, mutation breeding uses a plant’s own genetic make-up, mimicking the natural process of ...

Mutations occur continuously and can be spontaneous. Most are caused by errors when the DNA is copied prior to cell division. They can also happen because of: ionising radiation close ionising ...

Thus, these two types of UV radiation are of greatest concern to ... They do not appear to exist in humans, however (Sinha & Hader, 2002). Mutations in an organism's DNA are a part of life.

Often chemotherapy drugs are given before or during radiation to improve the effectiveness of care. Other drug therapies target the genetic mutations found in tumors or stimulate the immune system to ...

Historically, breast cancer treatment is primarily composed of surgery, radiation, and some form ... prognostic features, unique mutations. And it's gotten a lot more complicated.