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SUNDAY, 02 AUGUST 2026, 10:46

Science/Tech

Catnip lotion as effective as Deet at repelling mosquitoes, study finds

07 July at 17:17 PM, via The Guardian

Researchers testing a cheap, homegrown oil in Uganda found what cats knew all along – it worked as well as the artificial chemical used globally

A homegrown catnip lotion has proven “just as effective as Deet” as a mosquito repellant in trials carried out in Uganda.

Catnip, or Nepeta cataria, is a common herb from the mint family. The chemical in the plant that causes feline euphoria –...

‘A break from scrolling’: how Gen Z fell in love with birding – podcast

07 July at 06:00 AM, via The Guardian

In the last 50 years, Britain has lost an astonishing 73 million wild birds from its landscape, according to the British Trust for Ornithology. Habitat loss, pesticides, disease, cats and the climate crisis mean there are fewer birds than ever before. For children and young people it can be difficult to appreciate the scale of the loss due to a psychological phenomenon called ‘shifting...

Air pollution linked to DNA changes in sperm, research shows

07 July at 01:01 AM, via The Guardian

Study of more than 2,000 men identifies epigenetic changes linked to exposure to common outdoor pollutants

Air pollution appears to alter how sperm genes function, one of the largest fertility studies of its kind has found.

Men exposed to common air pollutants while sperm were developing showed subtle DNA changes that affected whether genes were switched on or off, raising fresh concerns air...

Did you solve it? This TV show is flipping brilliant!

06 July at 18:00 PM, via The Guardian

The answer to today’s puzzle

Earlier today I set you this puzzle about an imaginary game show.

At the end of the show two people will be chosen and each placed in a separate booth.

Continue reading…

‘Flight originated from the imagination’: how artists have captured space travel

06 July at 12:00 PM, via The Guardian

As the Smithsonian’s National Air and Space Museum turns 50, an expansive exhibition celebrates how art has coincided with space

Wearing a shiny silver spacesuit, Alan Shepard clutches his helmet and looks like an archetypal blue-eyed American hero. The 1961 portrait by Bruce Stevenson paid tribute to the first US astronaut in space. It also planted a seed.

James Webb, the then administrator of...

Can you solve it? This TV show is flipping brilliant!

06 July at 08:10 AM, via The Guardian

A probability puzzle

Today’s puzzle imagines a TV game show.

The compere announces that at the end of the show two people will be chosen and each placed in a separate booth.

Continue reading…

Tech Now

04 July at 03:00 AM, via BBC News

Adrienne Murray meets the team using technology to preserve a historic warship in Sweden.

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