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Carbon cycle modeling and paleotemperature records argue that an asteroid impact—not volcanic fumes—was the main driver of the dinosaur die-off.

In mice, a group of nasal epithelial cells called brush cells release pro-inflammatory signals in response to allergens.

Many plants reflect ultrasonic waves, thereby attracting the pollinators, but one cactus takes a different approach.

A new report from the National Science Board identifies changes in the US’s global R&D investment and output, as well as in the country’s science and engineering workforce in recent years.

The Oxford researcher’s work on lipid and peptide antigens revealed key mechanisms in inflammation, immunotherapy, and vaccination, which are being pursued in clinical trial treatments.

The results shed light on a research culture that encourages “unkind and aggressive conditions.”

Biological production of this greenhouse gas, once thought to be the reserve of anaerobic microbes, occurs in these widespread, photosynthesizing cyanobacteria.

Four University of Florida faculty members leave their jobs as a state committee that formed last month pledges to investigate individual researchers and institutions.

Genes related to the immune system stay active throughout the tree’s life.

More than five years after his arrest, Li Ning of China Agricultural University is convicted of stealing nearly $5 million of grant money.

Scientists release a draft genome of the virus that has been identified in 41 patients.

Scientists carve the shapes from piles of frog cells, like a sculptor building a statue.