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A new law decades in the making could finally lead to the cleanup of some of the thousands of abandoned mines in Colorado that leak toxic metals and acid into the headwaters of the rivers that sustain life across the West. The Good Samaritan Remediation of Abandoned Hardrock Mines Act, signed into law by President Joe Biden on Dec.

By Paul Mozur and Adam Satariano, The New York Times Company KYIV, Ukraine — In the nearly three years since Russia’s invasion of Ukraine, the messaging app Telegram has been a lifeline for millions of Ukrainians. It provides information about coming attacks and helps communities organize food, medical aid and other support. But what has been a salvation has increasingly turned into a major source of concern.

BUDAPEST, Hungary — Moving in a dense cloud, like throngs of people walking across a crowded public square, 100 drones maneuver through the night sky in Hungary’s capital, the result of over a decade of research and experimentation that scientists believe could change the future of unmanned flight. The behavior of the swarm, made up of autonomous drones that make their own real-time decisions on collision avoidance and trajectory planning without pre-programming or centralized control, is guided by research the Hungarian scientists performed on the collective movements of creatures from the natural world. “It’s very rare that you see some technology and you say it’s beautiful,” said Boldizsár Balázs, one of the researchers working on the project.

Watching a player writhe in pain might have been the best thing for the Avs’ mental health. Thursday night, goalie Scott Wedgewood fell awkwardly onto Sabres forward Zach Benson, who was pushed into the net. With Wedgewood in agony, the officials refused to stop play as the puck trickled toward the corner. Coach Jared Bednar blew a gasket.

Chiefs (15-1) at Broncos (9-7) When: Sunday, 2:25 p.m. MT Where: Empower Field at Mile High Radio/TV: 850 AM, 94.1 FM/CBS Broncos-Chiefs series: Denver is 55-73 in 128 regular-season games dating back to 1960; the Broncos lost 16-14 in the last meeting, on Nov. 10 on the road, and have dropped eight of the last nine games against Kansas City. In the spotlight: Broncos prepare for Chiefs backup QB Carson Wentz The Broncos don’t care if Carson Wentz has fallen from grace.

Protect public art from vandals. Keep it indoors. Having a public art program in Denver which uses a developer’s tax to fund artists to create works of art in public spaces around the city is a great thing. Having those same works of art defaced by gangs who “mark” them with their “signs” is horrible. So until these gangs can be prevented from doing their thing, we should not be placing new public art works in places where they are sure to be defaced. That, unfortunately, means in our public parks, particularly along Denver’s wonderful Cherry Creek hike and bike trail. Murals on walls along this trail have been ravaged from Confluence Park to Colorado Boulevard, especially the huge mural across the creek from Cherry Creek Mall. Yet the Denver Arts & Venues agency continues to offer the Public Arts Program a free pass to commission new murals and other works of art on its property, as if gang markings would not inevitably follow. There are plenty of indoor locations in our city where public art works will be safe.