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Rat neuron injection lets mice that can’t smell sniff out cookies

Mice that had been genetically modified to lack the ability to smell could sniff out hidden cookies when sensory neurons from rats were grown in their brains

25/04/2024

Quantum forces used to automatically assemble tiny device

The very weak forces of attraction caused by the Casimir effect can now be used to manipulate microscopic gold flakes and turn them into a light-trapping tool

24/04/2024

Let's not trash recycling technologies that could end plastic waste

Some environmental campaigners claim that attempts to create a circular economy for plastics are doomed to fail – but the arguments can be disingenuous

24/04/2024

The next frontier of forensic science: blood splatter in microgravity?

Feedback is pleased to see that researchers are looking into the urgent issue of which angle blood might travel at following a violent act in space

24/04/2024

Huge genetic study redraws the tree of life for flowering plants

Using genomic data from more than 9500 species, biologists have mapped the evolutionary relationships between flowering plants

24/04/2024

Nuclear fusion experiment overcomes two key operating hurdles

Two important barriers to a stable, powerful fusion reaction have been leapt by an experiment in a small tokamak reactor, but we don’t yet know if the technique will work in larger devices

24/04/2024

Huge dinosaur footprints belonged to one of the largest raptors ever

A set of large, distinctive footprints suggest a raptor dinosaur that lived in East Asia 96 million years ago grew to a length of 5 metres

24/04/2024

Exquisite fossils of Cretaceous shark solve mystery of how it hunted

Six full-body fossils of Ptychodus sharks have been formally analysed for the first time, revealing that they were fast swimmers that preyed on shelled creatures

24/04/2024

Has the US finally figured out how to do high-speed rail?

As work begins on building the US’s first high-speed rail service – linking Los Angeles to Las Vegas – analysts say the project could serve as a blueprint for similar projects across the country

22/04/2024

How cannabis gets you high and alters your perception

20 April is weed's unofficial holiday. In honour of the special day, we collected our answers to all your cannabis questions. This is the science of 420

20/04/2024

Wind turbines based on condor wings could capture more energy

Curved wing tips inspired by the world's heaviest flying bird could enhance the efficiency of wind turbines by of 10 per cent, according to simulations

19/04/2024

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