Arts & Science
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The weight of knowledge

The world’s most common unit of mass cannot be trusted. That is the conclusion after new check weighing revealled that the 214-year-old original ”kilogramme cylinder” has gained weight. So now physicists seek to…

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History in the Blood

  Molecular detectives find soft, biological material in hard, fossilised bones of  animals and humans. The material bears witness to everything from hominin skin colour and dinosaurs’ kinship with birds to the Incan…

High-resolution view of Venus against the Sun in Hydrogen Alpha light. Image: Peter Ward

Australian skies: David Malin Award

This image won the David Malin Award, a prestigious astrophotography contest organised by the Central West Astronomical Society. Astrophotographer David Malin declared “Melbourne Moon” the overall winner. Photographer Phil Hart captured this image…

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Van Gogh could have painted this

Why is the corona hotter than the surface beneath it? Vincent van Gogh’s painting techniques may hold the answer.

Music also undergoes a natural selection process. Image: Shutterstock

The evolution of music

Music can evolve by the process of natural selection, the same way species evolve in the natural world.

Gunther von Hagens' BODY WORLDS, Institute for Plastination, Heidelberg, Germany,

Animals inside out

Is this the new Noah’s Ark?

Image: Shutterstock

Machine playing instruments

Who would have thought that machines could ‘play’ instruments. PureTune used an Atari 800XL (organ), HP Scanjet 3P (vocals), Texas Instrument Ti-99/4A (guitar) and a hard-drive powered by a microcontroller (bass drum and cymbal)…

The Panel of Hands, El Castillo Cave, Spain. A hand stencil has been dated to earlier than 37,000 years ago and a red disk to earlier than 40,600 years ago, making them the oldest cave paintings in Europe. Image: Pedro Saura

Were Neanderthals the earliest cave artists?

  An improved dating method has revealed that cave paintings in Spain are older than previously thought.

100 self-assembled DNA shapes. Image: Peng Yin, Wyss Institute

DNA strands self-assemble to make nanoscale artworks

Artistically crafted nanotechnology could enable the development of new tools to deliver drugs directly into disease sites in the body.

By confirming a major theory in evolutionary biology, scientists will be able to understand the processes that create biodiversity. Image: Shutterstock.

Colour variation speeds up evolution

Decades of data gathered by bird watchers and geneticists have helped confirm a 60-year-old theory of evolution.

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