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Maths, Physics & Chemistry

showing 46-50 of 77 breaks

The 1000-year-old mystery of a medieval blue solved!

Lavishly decorated with brightly colored illustrations and ornaments, illuminated manuscripts from the Middle Ages are a feast for the eyes. To preserve these colors for future generations, our group combines methods from the humanities and the natural sciences. In fact, we want to mimic these... click to read more

  • Maria J. Melo | Professor at LAQV-REQUIMTE and Department of Conservation and Restoration, NOVA School of Science and Technology of NOVA University Lisbon, Lisbon, Portugal
  • Paula Nabais | Junior Researcher at LAQV-REQUIMTE and Department of Conservation and Restoration, NOVA School of Science and Technology of NOVA University Lisbon, Lisbon, Portugal
  • Teresa Sequeira Carlos | Science Communicator at LAQV-REQUIMTE, NOVA School of Science and Technology of NOVA University Lisbon, Lisbon, Portugal
Views 4359
Reading time 3 min
published on Mar 3, 2021
Saving the cadmium yellow pigments in The Scream

The Scream, realized by Edvard Munch between 1893 and 1916, is one of the most famous series of artworks of the modern era, symbolizing anxiety and anguish. There are a number of versions of The Scream: two paintings, two pastels, several lithographic prints and a... click to read more

Views 4619
Reading time 3.5 min
published on Feb 25, 2021
Same or different? The tale of a tangled molecule

A seemingly simple question — Are two objects the same or different? — frequently has a complicated answer. For chemists the objects are molecules, and over the years we have refined our ability to make same/different distinctions as we learn more about molecular structures. Molecules... click to read more

  • Eric J. N. Helfrich | Professor at Institute of Molecular Bio Science, Goethe University Frankfurt, Frankfurt, Germany; Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, USA
  • Jon Clardy | Professor at Institute of Molecular Bio Science, Goethe University Frankfurt, Frankfurt, Germany; Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, USA
Views 3612
Reading time 3.5 min
published on Feb 19, 2021
Naturally occurring enzyme does the unexpected

Enzymes are molecular machines that produce specific molecules with exquisite efficiency and near perfect control of the end product. Chemists have long sought to employ enzymes in laboratory settings, but are often limited to the specific reactions each enzyme evolved to execute. The efficiency and... click to read more

Views 3155
Reading time 3 min
published on Feb 9, 2021
Study gets the buzz on stingless bee honey

Given that honeybees (Apis mellifera) are so infamous for their stings, they are loved nonetheless for their golden honey. The much smaller stingless bees (Meliponini) produce honey as well, but are remarkable for their lack of sting! Like the more well-known honeybees, stingless bees are... click to read more

  • Natasha L. Hungerford | Research Fellow at Queensland Alliance for Agriculture and Food Innovation (QAAFI), The University of Queensland, Brisbane, QLD, 4072, Australia
  • Mary T. Fletcher | Professor at Queensland Alliance for Agriculture and Food Innovation (QAAFI), The University of Queensland, Brisbane, QLD, 4072, Australia
  • Norhasnida Zawawi | Senior Lecturer at Department of Food Science, Faculty of Food Science and Technology, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
Views 8391
Reading time 3.5 min
published on Jan 18, 2021