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Dental caries experience, care index and restorative index in children with learning disabilities and children without learning disabilities: a systematic review and meta-analysis




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How do we decide? Knowledge? Experience? Research?




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How many implants are necessary to stabilise an implant-supported maxillary overdenture?




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Low Prices, Full Storage Tanks: What's Next for the Oil Industry

When the economy slows, so does the demand for oil. Prices have plummeted and storage tanks are filled to capacity. We look at the future of the oil industry.




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Deadline Extended: MEI Summer Funding for HKS Students

Deadline Extended: MEI Summer Funding for HKS Students. Apply now. Priority will be given to applications received by April 15th. Applications received after this date may be considered on a rolling basis through May 5th




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The Political Power of Proxies: Why Nonstate Actors Use Local Surrogates

Unlike state sponsors, which value proxies primarily for their military utility, nonstate sponsors use proxies mainly for their perceived political value. An analysis of three case studies—al-Qaida in the Arabian Peninsula, the People’s Protection Units in Syria, and Hezbollah in Lebanon—illustrates this argument.




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Paradoxes of Professionalism: Rethinking Civil-Military Relations in the United States

The U.S. military’s prevailing norms of military professionalism are poorly suited to meet today’s civil-military challenges. They undermine the military’s nonpartisan and apolitical ethos, weaken civilian leaders' control of military activity, and undercut the country’s strategic effectiveness in armed conflict.




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So Do Morals Matter in U.S. Foreign Policy? I Asked the Expert.

In his new book, Do Morals Matter? Presidents and Foreign Policy from FDR to Trump, Joseph S. Nye developed a scorecard to determine how U.S. presidents since 1945 factored questions of ethics and morality into their foreign policy. In an interview, Henry Farrell asked him a few questions to get to the heart of his findings.




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Implication of gut microbiota in the association between infant antibiotic exposure and childhood obesity and adiposity accumulation




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Deadline Extended: MEI Summer Funding for HKS Students

Deadline Extended: MEI Summer Funding for HKS Students. Apply now. Priority will be given to applications received by April 15th. Applications received after this date may be considered on a rolling basis through May 5th




x

The Political Power of Proxies: Why Nonstate Actors Use Local Surrogates

Unlike state sponsors, which value proxies primarily for their military utility, nonstate sponsors use proxies mainly for their perceived political value. An analysis of three case studies—al-Qaida in the Arabian Peninsula, the People’s Protection Units in Syria, and Hezbollah in Lebanon—illustrates this argument.




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Paradoxes of Professionalism: Rethinking Civil-Military Relations in the United States

The U.S. military’s prevailing norms of military professionalism are poorly suited to meet today’s civil-military challenges. They undermine the military’s nonpartisan and apolitical ethos, weaken civilian leaders' control of military activity, and undercut the country’s strategic effectiveness in armed conflict.




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So Do Morals Matter in U.S. Foreign Policy? I Asked the Expert.

In his new book, Do Morals Matter? Presidents and Foreign Policy from FDR to Trump, Joseph S. Nye developed a scorecard to determine how U.S. presidents since 1945 factored questions of ethics and morality into their foreign policy. In an interview, Henry Farrell asked him a few questions to get to the heart of his findings.




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So Do Morals Matter in U.S. Foreign Policy? I Asked the Expert.

In his new book, Do Morals Matter? Presidents and Foreign Policy from FDR to Trump, Joseph S. Nye developed a scorecard to determine how U.S. presidents since 1945 factored questions of ethics and morality into their foreign policy. In an interview, Henry Farrell asked him a few questions to get to the heart of his findings.




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Maxwell Taylor's Cold War: From Berlin to Vietnam

Nathaniel Moir reviews Maxwell Taylor's Cold War: From Berlin to Vietnam by Ingo Trauschweizer.




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Next Moves on Climate Policy: A Conversation with Sue Biniaz

Sue Biniaz, former lead climate negotiator for the United States, shared her thoughts on the postponement of COP-26, and on the possible re-engagement of the U.S. in the international effort to address climate change in the newest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program,” a podcast produced by the Harvard Environmental Economics Program.




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Low Prices, Full Storage Tanks: What's Next for the Oil Industry

When the economy slows, so does the demand for oil. Prices have plummeted and storage tanks are filled to capacity. We look at the future of the oil industry.




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The regulation and functions of DNA and RNA G-quadruplexes




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The expanding regulatory mechanisms and cellular functions of circular RNAs




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Regulatory myeloid cells paralyze T cells through cell–cell transfer of the metabolite methylglyoxal




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So Do Morals Matter in U.S. Foreign Policy? I Asked the Expert.

In his new book, Do Morals Matter? Presidents and Foreign Policy from FDR to Trump, Joseph S. Nye developed a scorecard to determine how U.S. presidents since 1945 factored questions of ethics and morality into their foreign policy. In an interview, Henry Farrell asked him a few questions to get to the heart of his findings.




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Maxwell Taylor's Cold War: From Berlin to Vietnam

Nathaniel Moir reviews Maxwell Taylor's Cold War: From Berlin to Vietnam by Ingo Trauschweizer.




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So Do Morals Matter in U.S. Foreign Policy? I Asked the Expert.

In his new book, Do Morals Matter? Presidents and Foreign Policy from FDR to Trump, Joseph S. Nye developed a scorecard to determine how U.S. presidents since 1945 factored questions of ethics and morality into their foreign policy. In an interview, Henry Farrell asked him a few questions to get to the heart of his findings.




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Maxwell Taylor's Cold War: From Berlin to Vietnam

Nathaniel Moir reviews Maxwell Taylor's Cold War: From Berlin to Vietnam by Ingo Trauschweizer.




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Innovations in approaches to remove uraemic toxins




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Lebanon has formed a controversial new government in a polarised, charged atmosphere, and protesters are not going to be easily pacified by its promises, explains Rami Khoury.

The fourth consecutive month of Lebanon's unprecedented political and economic crisis kicked off this week with three dramatic developments that will interplay in the coming months to define the country's direction for years to come: Escalating protests on the streets, heightened security measures by an increasingly militarising state, and now, a new cabinet of controversial so-called "independent technocrats" led by Prime Minister-designate Hassan Diab.

Seeking to increase pressure on the political elite to act responsibly amid inaction vis-a-vis the slow collapse of the economy, the protesters had launched the fourth month of their protest movement, which had begun on 17 October last year, with a 'Week of Anger', stepping up their tactics and targeting banks and government institutions.




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Molecular architecture of the luminal ring of the <i>Xenopus laevis</i> nuclear pore complex




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Structure of the cytoplasmic ring of the <i>Xenopus laevis</i> nuclear pore complex by cryo-electron microscopy single particle analysis




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Low Prices, Full Storage Tanks: What's Next for the Oil Industry

When the economy slows, so does the demand for oil. Prices have plummeted and storage tanks are filled to capacity. We look at the future of the oil industry.




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Comparisons of simple and complex methods for quantifying exposure to individual point source air pollution emissions




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Can respirator face masks in a developing country reduce exposure to ambient particulate matter?




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The COVID-19 pandemic: a moment for exposure science




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Association between maternal exposure to particulate matter (PM<sub>2.5</sub>) and adverse pregnancy outcomes in Lima, Peru




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Journal of Exposure Science & Environmental Epidemiology




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Next Moves on Climate Policy: A Conversation with Sue Biniaz

Sue Biniaz, former lead climate negotiator for the United States, shared her thoughts on the postponement of COP-26, and on the possible re-engagement of the U.S. in the international effort to address climate change in the newest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program,” a podcast produced by the Harvard Environmental Economics Program.




x

So Do Morals Matter in U.S. Foreign Policy? I Asked the Expert.

In his new book, Do Morals Matter? Presidents and Foreign Policy from FDR to Trump, Joseph S. Nye developed a scorecard to determine how U.S. presidents since 1945 factored questions of ethics and morality into their foreign policy. In an interview, Henry Farrell asked him a few questions to get to the heart of his findings.




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Maxwell Taylor's Cold War: From Berlin to Vietnam

Nathaniel Moir reviews Maxwell Taylor's Cold War: From Berlin to Vietnam by Ingo Trauschweizer.




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We Must Prepare for the Next Pandemic

Bruce Schneier explains why accurate information will be just as important as effective treatments when the next pandemic strikes.




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Extinction watch: A coral that looks like a flowerpot

The coral is composed of many small polyps and forms large colonies approximately 2 metres across. The polyp skeleton is a dusky pink colour.




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Extinction watch: Amber eyes, dwindling fast

As of December 2017, fewer than 50 individuals are thought to be remaining in three subpopulations that are scattered over 140,000 square km in Iran’s central plateau. The cats have been nearly wiped out by excessive hunting, habitat degradation and scarcity of prey species.




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Extinction watch: Too delicious to be left to grow wild

These wild mushrooms usually fetch between 50 and 70 Euros per kilogram. This encourages people to collect and sell the mushrooms, often before they are mature. It is estimated that only 250 White Ferulas make it to maturity each year.




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Extinction watch: Its egg and meat makes it a much hunted fish

Since the 1940s, this species has attracted considerable attention because of its plasticity; in the 1950s, tests were carried out to introduce the species into various open stretches of water (Baltic Sea) or closed areas (lakes). The farming of this species




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Extinction watch: Purple haze

Georgia aster is currently found in five US counties in Alabama, 15 in Georgia, nine in North Carolina and 14 in South Carolina. It was once known from Florida, but is no longer found there. Across its range, 146 total populations have been known, of these, 28 have likely disappeared.




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Extinction Watch: This shark doesn’t need saltwater to survive

Unlike other members of this family, the eyes of the Ganges shark are tilted dorsally, instead of laterally or ventrally, indicating that it may swim along the river bed scanning the waters above for prey. Its sharp and slender teeth suggest that it is primarily a fi sh-eater. It is often confused with the bull shark, which is known to attack humans




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Blue skies, reduced emissions only temporary, won't benefit environment in long run: Experts

Environmentalists feel that carbon emissions may have reduced drastically but are likely to go back to the pre-corona levels in a few weeks' time, once the virus threat mitigates.




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Extinction Watch: Rarely at home in the prairies

The plant has been listed as a threatened species in the United States since 1989, and in 2008 it was listed as an endangered species by the IUCN.




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Extinction Watch: How African Black Rhino came back from extinction

Between 2012 and 2018, the Black Rhino (Diceros bicornis) population across Africa has grown at a modest annual rate of 2.5% from an estimated 4,845 to 5,630 animals in the wild, respectively. Population models predict a further slow increase over the next five years, according to IUCN’s March 2020 update.




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Extinction Watch: Giraffe, we’re talking about space walking

Illegal hunting, habitat loss and changes through expanding agriculture and mining, increasing humanwildlife conflict, and civil unrest are all pushing the species towards extinction.




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Extinction Watch: Pennantia Baylisiana is back from the brink

In 1945, the tree, also known as ‘Kaikomako Manawa Tawhi’, was visited by professor Geoff Baylis, who brought a cutting back to Auckland and nurtured it to maturity at the Department of Scientific and Industrial Research (DSIR).




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Extinction Watch: Which species may vanish & why

This incredibly metallic blue tarantula is found within a 39-square mile reserve forest in Andhra Pradesh. Its behaviour parallels that of many arboreal spiders. In the wild, it lives in holes of tall trees where it makes asymmetric funnel webs. Spiders of this genus may live communally when territory, i.e. the number of holes per tree, is limited.