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Ant Colonies Behave Like Neural Networks When Making Decisions

Temperatures are rising, and one colony of ants will soon have to make a collective decision.

How the Intestine Replaces and Repairs Itself

To act as a robust barrier against pathogens while also absorbing needed nutrients, the lining of the intestines must regenerate on a daily basis to remain equal to the task.

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Colorectal Cancer Tumors Both Helped and Hindered by T Cells

Colorectal tumors are swarming with white blood cells, but whether these cells help or hinder the cancer is hotly debated.

How a Narrow-Spectrum Antibiotic Takes Aim at C. Diff

Most antibiotics are double-edged swords. Besides killing the pathogen they are prescribed for, they also decimate beneficial bacteria and change the composition of the gut microbiome. As a result, patients become more prone to reinfection, and drug-resistant strains are more likely to emerge.

Antibody Therapy Controls HIV for Months in New Clinical Trial

Antiretroviral therapy has made HIV a manageable condition, but it does not eliminate the virus from the body—and most regimens are expensive and require a pill every day, for the rest of the patient’s life.

Kivanç Birsoy, Expert on Cancer Cell Metabolism, Is Promoted to Associate Professor

A cancer cell must eat. While radiation may burn it, chemo may choke it, and surgery may pluck it out altogether

How a fly's brain calculates its position in space

Navigation doesn’t always go as planned—a lesson that flies learn the hard way, when a strong headwind shunts them backward in defiance of their forward-beating wings.

Tardigrades, or water bears, walk in a similar fashion to insects 500,000 times their size

Plump and ponderous, tardigrades earned the nickname “water bears” when scientists first observed the 0.02-inch-long animals’ distinctive lumbering gaits in the 18th century.

Rockefeller researchers use fruit flies to study social isolation habits

COVID-19 lockdowns scrambled sleep schedules and stretched waistlines.