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Displaying 21 - 40 of 223 articles

Flux de carbone entre la forêt et l’atmosphère au Gabon. Nicolas Barbier

Mesurer l’invisible : la dure tâche de calculer le stock et le flux de carbone d'une forêt

Selon les méthodes utilisées, la mesure des stocks et flux de carbone des forêts peut passer du simple au double. À l'heure du dérèglement climatique, la guerre des chiffres bat son plein et la rigueur s'impose pour évaluer les potentiels poumons verts que sont les forêts.
Tens of thousands of Israelis attend a massive protest against the government’s judicial overhaul plan on March 11, 2023, in Tel Aviv. Amir Levy/Getty Images

Israel’s democracy protests: What happens next?

What will happen in Israel after more than half a year of pro-democracy demonstrations against the conservative government’s judicial overhaul?
The fossil deposits at the La Brea Tar Pits in Los Angeles have well-preserved remains of many prehistoric animals that got stuck in natural asphalt seeps over the past 60,000 years. Cullen Townsend, courtesy of NHMLAC

A changing climate, growing human populations and widespread fires contributed to the last major extinction event − can we prevent another?

New findings from the La Brea Tar Pits in southern California suggest human-caused wildfires in the region, along with a warming climate, led to the loss of most of the area’s large mammals.
UFOs usually have non-extraterrestrial origins, but many have urged the government to be more transparent about UFO data. Westend61/Westend61 via Getty Images

Are we alone in the universe? 4 essential reads on potential contact with aliens

Whistleblower allegations that the government possesses UFOs may not be backed up by public physical evidence, but some argue that listening for extraterrestrial life is the first phase of contact.
Participants at Harvard marching at a rally protesting the Supreme Court’s ruling against affirmative action on July 1, 2023. Ziyu Julian Zhu/Xinhua via Getty Images

Ending affirmative action does nothing to end discrimination against Asian Americans

In their lawsuits against affirmative action, Students For Fair Admission claimed to want to protect Asian Americans. A law professor explains why the Supreme Court ruling doesn’t achieve that goal.
SETI has been listening for markers that may indicate alien life – but is doing so ethical? Donald Giannati via Unsplash

First contact with aliens could end in colonization and genocide if we don’t learn from history

Three Indigenous studies scholars draw from colonial histories and explain why listening for alien life can have ethical ramifications.
There isn’t a debate, however, on the health benefits of regular exercise. Maryna Terletska/Moment via Getty Images

Exercise may or may not help you lose weight and keep it off – here’s the evidence for both sides of the debate

Some researchers assert that the body responds to exercise by burning fewer calories when you’re not working out. Regardless of its effects on weight loss, exercise provides many health benefits.
NEPA requires federal agencies to analyze environmental impacts of projects like interstate highway construction. John Bohn/The Boston Globe via Getty Images

Will faster federal reviews speed up the clean energy shift? Two legal scholars explain what the National Environmental Policy Act does and doesn’t do

Do environmental reviews improve projects or delay them and drive up costs? Two legal scholars explain how the law works and how it could influence the ongoing transition to renewable energy.
Allowing gay and bisexual men to donate blood would help alleviate chronic blood supply shortages in the U.S. Petri Oeschger/Moment via Getty Images

Gay men can now donate blood after FDA changes decades-old rule – a health policy researcher explains the benefits

In 1983, during the early days of the AIDS epidemic, the US Food and Drug Administration made the decision to ban gay men from donating blood. Now, 40 years later, it is dropping that rule.
The new generation of AI tools makes it a lot easier to produce convincing misinformation. Photo by Olivier Douliery/AFP via Getty Images

Regulating AI: 3 experts explain why it’s difficult to do and important to get right

Powerful new AI systems could amplify fraud and misinformation, leading to widespread calls for government regulation. But doing so is easier said than done and could have unintended consequences.
Opposition deputies protest as the first stage of controversial judicial reform is approved by the Knesset Law Committee on Feb. 13, 2023. Photo by Israeli Parliament (Knesset) / Handout/Anadolu Agency via Getty Images

Israel enters a dangerous period – public protests swell over Netanyahu’s plan to limit the power of the Israeli Supreme Court

Huge pro-democracy demonstrations in Israel have taken place for almost two months in protest of new rules for the Supreme Court that Benjamin Netanyahu’s right-wing government is rushing into law.

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