News
- Archaeology
Judeo-Christian ties buried in Rome
New radiocarbon dates from one of ancient Rome's underground cemeteries, or catacombs, indicates that these structures were built in the Jewish community more than a century before early Christians started to do the same.
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Cell death may spur aging
Genetic mutations in cells' internal powerhouses could contribute to aging by stifling tissue maintenance.
- Health & Medicine
Tumors in Touch: Cancer cells spur vessel formation through contact
Some tumor cells use a newfound mechanism to prompt neighboring cells into forming blood vessels that then nourish the cancer.
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Reflections of Primate Minds: Mirror images strike monkeys as special
Capuchin monkeys don't react to their own mirror images as they do to strangers, perhaps reflecting an intermediate stage of being able to distinguish oneself from others.
