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Researchers reconstructed the Triassic food web using nothing but scat.

Almost a year after the American Rescue Plan Act allocated up to $25 billion to home and community-based services run by Medicaid, many states have yet to access the funds due to delays and red tape.

Luiz Inácio Lula da Silva assumed office as Brazil's new leader Sunday, just three years after being released from prison on corruption charges and 12 years after his first two terms as president.

Among other things, the law prohibits treatment limits and copayments or deductibles that are more restrictive than a health insurance plan's medical coverage. Now regulations make the specifics clearer.

The tax collecting agency has backed away from requiring all users with individual accounts to submit selfies to a private company.

Survey of 1,000 experts and leaders finds cybersecurity and space add to the existing challenges of climate change and the coronavirus pandemic.

In a stunning political comeback, Luiz Inácio Lula da Silva has won Brazil's Presidential election, defeating the incumbent, right wing populist President Jair Bolsonaro

The online tool tracks power plants, oil refineries, large ships and other sources of greenhouse gases. Gore plans to expand the tracker to observe every major source of emissions.

The monthlong strike by graduate student teaching assistants and other academic workers disrupted classes at all 10 campuses. The agreement needs to be ratified before the strike officially ends.

Brad Smith says governments need to step in and set rules for the Internet giants. "Almost no technology has gone so entirely unregulated, for so long, as digital technology," he says.