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YouTube is updating its guidelines for videos containing content that advertisers define as controversial, allowing more creators to earn full ad revenue when they tackle sensitive issues in a nongraphic way.

By tracking swarms of very small earthquakes, seismologists are getting a new picture of the complex region where the San Andreas fault meets the Cascadia subduction zone, an area that could give rise to devastating major ...

Research led by the SickKids Research Institute in Toronto and the University of Pennsylvania, has found that immune-related genes vary by location and cell type across the developing mouse brain before birth. Maternal immune ...

For decades, the United Nations' Intergovernmental Panel on Climate Change (IPCC) has offered a snapshot of the planet's changing climate—but University of Toronto researchers have found that some of the underlying data ...

Different atoms and ions possess characteristic energy levels. Like a fingerprint, they are unique for each species. Among them, the atomic ion 173Yb+ has attracted growing interest because of its particularly rich energy ...

In recent years, electronics engineers have been trying to identify semiconducting materials that could substitute for silicon and enable the further advancement of electronic devices. Two-dimensional (2D) semiconductors, ...

A new Brazilian study has revealed the key role of the protein periostin and stellate pancreatic cells in allowing pancreatic cancer to infiltrate nerves and spread early, increasing the risk of metastasis. The research demonstrates ...

For decades, scientists have been counting annual growth rings—similar to tree rings—inside fossilized leg bones of Tyrannosaurus rex to estimate how old the giant carnivores were when they died and how quickly they grew ...

Maintaining cellular order is a major logistical challenge: Individual mammalian cells contain billions of protein molecules, which must be synthesized, deployed, and removed with precision. In the ubiquitin-proteasome system ...

Researchers at the School of Engineering of The Hong Kong University of Science and Technology (HKUST) have developed the world's first sub-zero Celsius elastocaloric freezing device, capable of reaching temperatures as low ...

Radio telescopes are instruments that capture faint radio signals from space and convert them into images of celestial bodies. To observe distant black holes clearly, multiple radio telescopes must capture cosmic signals ...

Cases of a potentially lethal fungus have stabilized in Nevada, according to public health officials, who urge continued vigilance against the drug-resistant "superbug."