Humans
We summarize the week's scientific breakthroughs every Thursday.
- Humans
From the April 25, 1936, issue
An old-fashioned tower, alcohol in fuel, and knowledge in atoms and cosmic rays.
- Health & Medicine
Small Wonder: Taking the bite out of anthrax toxin
Using a submicroscopic synthetic blob called a liposome, scientists have neutralized anthrax toxin in rats.
- Humans
Letters from the April 29, 2006, issue of Science News
Creating a controversy The real irony of ironies is that evolution has not evolved (“Evolution in Action: The trials and tribulations of intelligent design,” SN: 2/25/06, p. 120). When even mainstream evolutionary scientists propose any change to “the fact of evolution,” they are immediately silenced. That’s not science. As it has been practiced by many, […]
- Archaeology
Ancient text gives Judas heroic glow
Researchers have announced the restoration and translation of a 1,700-year-old papyrus document containing the Gospel of Judas, an account that portrays Judas Iscariot as a hero, not as Jesus' betrayer.
- Health & Medicine
Ultrasound’s New Focus
No longer limiting the use of sound waves to diagnostic medicine, researchers are studying high-intensity focused ultrasound as a treatment for uterine fibroids, breast cancer, prostate cancer, and other cancers.
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- Health & Medicine
Dementia off the Menu: Mediterranean diet tied to low Alzheimer’s risk
People 65 years of age and older who eat a Mediterranean-style diet that's rich in plant matter and fish and low in saturated fat are less likely than their peers to develop Alzheimer's disease.
- Health & Medicine
Decent Interval; Well-spaced babies may have advantage
Babies conceived between 18 months and 5 years after their mothers' previous birth are healthier than are babies conceived before or after these two points in time.
- Humans
Letters from the April 22, 2006, issue of Science News
Second cousins With reference to “Chimps creep closer yet” (SN: 2/11/06, p. 94), some scientists say that bonobos are genetically closer to humans than to chimps. How did they compare in the referenced study? Dick MedvickCleveland Heights, Ohio Bonobos are indeed as genetically close to humans as are chimps, but there wasn’t enough genomic data […]
- Health & Medicine
Hot-pepper ingredient slows cancer in mice
Capsaicin, the component of red pepper that makes it hot, kills cancer cells in a test tube and inhibits their growth in mice.
- Health & Medicine
Protein interacts with hormone that quells hunger
A protein that's more abundant in the blood of obese people inactivates leptin, a hormone that controls hunger.
- Humans
To Leap or Not to Leap
Scientists are debating whether to continue the practice of occasionally inserting leap seconds in order to keep official, atomic-based time in sync with time based on Earth's rotation.
