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Climbers Tommy Caldwell and Kevin Jorgeson finished their historic first free climb on El Capitan's Dawn Wall in Yosemite National Park. Melissa Block talks with the duo about their 19-day effort.

A committee of experts examined about a dozen different synthetic biology technologies that could be potentially misused. For each, they considered how likely it was to be usable as a weapon.

Michael Honeycutt, the top toxicologist for Texas, is the latest chair of the EPA's science advisory board. But some scientists warn his views align more with industry than with scientific consensus.

The financial support mirrors the Texas community's efforts to support the mosque: Four churches and a synagogue have offered to host Muslim services.

Kim Wyman vigorously pushed back against President Trump's unfounded claims of voter fraud and is widely seen as a mail-in ballot and security expert. She'll start her new role on Nov. 19.

In an effort to quell calls for him to quit the race, Biden sat for a network TV interview with ABC’s George Stephanopoulos Friday night. Did it work?

A possible deal is brewing between the White House and the GOP House leadership, but it's unclear if Congressional Democrats will go along with it. To find out, Robert Siegel talks to Maryland Rep. Chris Van Hollen, the top Democrat on the House Budget Committee, to hear how the proposal to extend the debt ceiling deadline into late November is being received by his fellow party members.

Before the pandemic, diversity training programs were all the rage at movie and TV studios. Now, how are they faring?

President Joe Biden had zeroed in on a pair of finalists for his first Supreme Court pick when there were rumors last year that Justice Stephen Breyer would retire. But since the upcoming retirement was announced late last month, it has come with the rise of a third candidate, one with ready-made bipartisan support that has complicated the decision.

The Jan. 6 panel heard testimony from former President Donald Trump's campaign manager in a hearing on Trump's awareness that he lost in 2020 and his effort to push the lie that he won in spite of it.