News
- Health & Medicine
Dual therapy best for nasty prostate cancer
Dual therapy that adds radiation to medication for aggressive prostate cancer yields better survival and fewer signs of relapse than drugs alone, a large Scandinavian clinical trial finds.
By Nathan Seppa - Space
Dark energy constantly with us
New X-ray and visible-light observations of the growth of galaxy groups and clusters are offering confirming evidence for the existence of dark energy and suggest that it may resemble the cosmological constant.
By Ron Cowen - Health & Medicine
Potentially potent chemo target in sight
A fruit fly protein that helps control cell differentiation may be a powerful target for stopping human cancers.
- Health & Medicine
Breast cancer costs poor people more
Out-of-pocket costs of breast cancer hit poor individuals the hardest.
By Nathan Seppa - Health & Medicine
Soy compound revs up cancer fighter in healthy tissue
A lab study of healthy breast tissue cells shows increases in the tumor suppressor protein PTEN in the presence of soy isoflavone genistein, a compound believed to fight breast cancer.
By Nathan Seppa - Health & Medicine
Breast density signals tamoxifen’s effectiveness
Decreasing breast density signals the drug tamoxifen is working in women at risk of developing breast cancer.
By Nathan Seppa - Life
Hawaii’s honeyeater birds tricked taxonomists
DNA from old museum specimens reveals evolutionary look-alikes.
By Susan Milius - Archaeology
Tools with handles even more ancient
An analysis of stone tools excavated at a Syrian site indicates that, around 70,000 years ago, Neandertals used a tarlike adhesive to affix sharpened items to handles.
By Bruce Bower - Health & Medicine
Stronger role for a breast cancer drug
Going beyond its original role as an add-on for chemotherapy, the breast cancer drug lapatinib, when taken with another kind of frontline drug, may find use for patients with the HER2-positive form of the cancer.
By Nathan Seppa - Life
Study raises worries for zoo-born elephants
Study of captive-born females finds big survival gap between zoo natives and elephants in native ranges.
By Susan Milius - Health & Medicine
Gene could drive species separation
Newly identified fruit fly gene provides evidence for “cheating genes” that may cause species schisms
- Earth
Reef record suggests impending Sumatra quakes
Evidence of seafloor rise and fall shows southern Sumatra is at start of new earthquake cycle.
By Sid Perkins