Storm Fiona slams into east Canada, major power outages

Powerful storm Fiona knocked out electricity to more than 500,000 homes Saturday as it lashed east Canada with strong winds and heavy rains in conditions that police said were "like nothing we've ever seen."

Strengthening Hurricane Fiona heads north toward Bermuda

Hurricane Fiona continued its slow and devastating march northward after slamming the Turks and Caicos Islands on Tuesday and leaving a trail of destruction in Puerto Rico and the Dominican Republic.

Fiona, a Category 3 hurricane, batters Turks and Caicos

Hurricane Fiona, a powerful Category 3 storm, was battering the Turks and Caicos islands on Tuesday after leaving two people dead and triggering major flooding and power outages in the Caribbean.

T cells use force to destroy cancer cells

As a part of our immune defenses, cytotoxic T cells—or killer T cells—seek out and destroy cells that are infected or cancerous. This process is essential for the body's defense against diseases.

Prospects for an all-optical remote magnetic field sensor

Crystals doped with rare-earth (RE) ions exhibit very narrow linewidths of optical transitions. The narrow-line spectra of triply ionized RE elements cover the entire visible and infrared range. RE-doped materials are widely ...

Understanding the full picture of child poverty

When people talk about poverty in the United States, most talk about income. But income is just half of the story, says Christina Gibson-Davis, a professor of public policy and sociology at Duke's Sanford School of Public ...

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