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When waves are trapped within a narrow channel, the modulational instability theory describes their rippling movement well. However, it starts to fall apart when you look at the real ocean. In open ...

The French-designed, American-manufactured NextGen arrives years late due to mechanical defects and failed simulation tests mandated by the Federal Railroad Administration. The new Acela will begin ...

When a “why” gets shut down, a child’s curiosity and wonder are also snuffed out. Instead, try acknowledging and engaging with this curiosity: “Good question. Here’s my thinking …” or “Let’s talk ...

In June 2024, the Supreme Court issued a ruling, Grants Pass v. Johnson, that determined it is constitutional to issue citations to or arrest homeless people, even when there is no available shelter.

In the meantime, Gavi is trying to cut costs and is seeking new funders. Unless other governments decide to make up for the loss of U.S. funding, which so far they have not, Gavi will likely become ...

The public has a chance to comment on the EPA’s proposal to rescind the 2009 endangerment finding and greenhouse gas vehicle standards until Sept. 15, 2025. And although the Energy Department ...

The Indigenous Guard of the Nasa people formed in Colombia in 2001 to protect Indigenous territories from armed groups and from environmental destruction such as deforestation and illegal mining.

The Indigenous Guard of the Nasa people formed in Colombia in 2001 to protect Indigenous territories from armed groups and ...