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Indigenous ceremonies and climate change
Nature & Environment

Indigenous ceremonies and climate change

...out as a Totonac totem travels to COP26...[Jun Tiburcio standing with his creation: Totem Latamat] Jun Tiburcio with Totem Latamat Jun Tiburcio, a Totonac multidisciplinary artist from the Mexican state of Veracruz, has felled and carved a tree into a totem that is travelling to Glasgow for the COP26 meeting. Tiburcio and those facilitating the totem’s journey intend to...
Clean Brexit, Dirty Brexit: Is this the last exit before armageddon?
Nature & Environment

Clean Brexit, Dirty Brexit: Is this the last exit before armageddon?

...burning pile of garbage in a skip, giving off large amounts of thick black smoke ] Clean Brexit or Dirty Brexit. This is the choice we now face. The choice we make will have profound consequences not just for the UK, but for the rest of the world. Consequences lasting generations. Rutland is home to “picture postcard cottages” and quaint towns brimming with antique...
Roman cookery
History & The Arts

Roman cookery

...burned making it a very efficient cooking device. [Sally Grainger and Antonio Carluccio] Much of what we know of Roman cooking comes from a cookery book written by Apicius in around 450AD. It contains many exotic dishes and was clearly written for a wealthy family. Apicius, however, gave only hints as to the amounts of each ingredient so Sally has developed her recipes...
Activity 10 mins
What do we know about the seven Earth-like planets?
Science, Maths & Technology

What do we know about the seven Earth-like planets?

...out part of its light (a transit). In 2016, they found their first candidate: an ultracool dwarf. They named this star TRAPPIST-1 and began to study it with more powerful telescopes, including NASA’s Spitzer space telescope. This fuller survey has now revealed a total of seven transiting exoplanets there (see video). The amount of light blocked out by each exoplanet...
Subjugation and slavery: fake news in the nineteenth-century press
History & The Arts

Subjugation and slavery: fake news in the nineteenth-century press

...out after a few generations. Another pro-slavery piece discusses the limited mental vigour of black people. ‘Nature… fixed the limits of the black man’s mind and no training, no example can cultivate the lower animal into the higher’. [An illustration of a group of black slaves.] Slaves waiting to be sold Edward Long, slave-owner, former governor of Jamaica and...
Cold isostatic pressing
Science, Maths & Technology

Cold isostatic pressing

...burn-off stage is required during sintering. Wet-bag technique. Flexible bag filled with powder is submerged in the pressure vessel containing the pressurised fluid (such as soluble oil) and pressure is applied to the fluid from an intensifier/pumping system. Depending on the size of the chamber, several bags can be loaded into the space available. This is a batch process...
Hanukkah: a festival of light
History & The Arts

Hanukkah: a festival of light

...burning brightly on the menorah or hanukkiah candelabrum - one for each night of the festival, plus a 'helper' candle or shammash from which the others are lit. As with many Jewish and other religious festivals, there are associated foods. In the case of Hanukkah the emphasis is on fried foods, particularly potato pancakes (latkes - see picture below) and doughnuts...
White dwarfs and neutron stars
Science, Maths & Technology

White dwarfs and neutron stars

...burning shell is extinguished when it gets too close to the surface and hence too cool, and the same happens eventually to the helium-burning shell. What remains is a hot carbon-and-oxygen core, surrounded by thin shells of helium and hydrogen, with a surface temperature of ~ 100,000 K. All nuclear burning has been extinguished by this stage, and there is no prospect of...