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The first image from the Event Horizon Telescope, centered on the nucleus of the giant elliptical galaxy M87, does not show the shadow of the black hole’s event horizon per se. What it does show is a region somewhat larger than the horizon, where spacetime is so distorted that photons can go into orbit around […]
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Ignacio Sánchez-Cuenca, author of 'The Historical Roots of Political Violence', on the causes of 20th century revolutionary terrorism.
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For most of us, a month is a page on a calendar, a set of 30, 31, 28, or, in rare cases, 29 days. But for an astronomer a month is a period of time associated with a cycle of the moon. It turns out that the moon has many cycles, and thus there are […]
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The partition of Ireland between the years 1918 and 1925 was arguably the most significant event in modern Irish history. From the ‘Troubles’ to Brexit, the division of the island into two antithetical states both embodying incompatible visions of Ireland’s past and future has been fundamental in shaping the political, economic, religious and cultural identities […]
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As an American, I can’t help but read the slow-motion drama that is Brexit through the lens of the 2016 Trump election. Each is a referendum on a half-century of internationalist and neoliberal policies at home and abroad, and on the political establishment (both liberal and conservative) responsible for implementing them. Both have made it […]
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The number of environmental cases brought before international courts (ICs) is rising. How deal these courts with environmental laws, how well do they protect environmental rights and to what extent do they enhance or hinder the protection of the environment?
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Must law pass a moral test in order to be valid? Most legal theorists today answer this question in the negative. The dominant tradition in contemporary legal philosophy, known as legal positivism, maintains that the only necessary factor in establishing a law’s validity is its social sources – for example, whether the law was passed […]
Read MoreNatural law theories maintain that there are certain goods and principles that are uniquely conducive to human flourishing. Historically, the content of natural law has often been depicted as timeless and unchanging. This makes natural law seem like (in the words of Oliver Wendell Holmes) a ‘brooding omnipresence in the sky’—a set of austere and […]
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