Stop overthinking your Valentine’s gift – behavioural science says you’re probably worrying about the wrong thingGaëlle Vallée-Tourangeau, Kingston University
Early Mars was warm and wet not icy, suggests latest researchGareth Dorrian, University of Birmingham
Snowball Earth wasn’t fully frozen: ice-free oases sheltered early lifeChloe Griffin, University of Southampton and Thomas Gernon, University of Southampton
How to stay positive when it never stops raining – a psychologist offers tipsLuke Hodson, University of Warwick
‘It ain’t no unicorn’: meet the researchers who’ve interviewed 130 Bigfoot huntersJamie Lewis, Cardiff University and Andy Bartlett, University of Sheffield
Why are safety concerns being raised inside Porton Down, Britain’s nerve centre of chemical and biological research?Thomas Keegan, Lancaster University
Pink noise: what is it and can listening to it make your sleep worse?Robert MacKinnon, Anglia Ruskin University
Autistic people seem to feel joy differently – here’s what it can tell us about neurodivergenceAimee Grant, Swansea University
Five ways quantum technology could shape everyday lifeSalil Gunashekar, RAND Europe; Adam Urwick, RAND Europe, and Teodora Chis, RAND Europe
Which countries are best-placed to resist state-supported cyber-attacks? A government advisor explainsGerald Mako, University of Cambridge
Moltbook: AI bots use social network to create religions and deal digital drugs – but are some really humans in disguise?David Reid, Liverpool Hope University
Winter Olympics: the new video technology that could help push Britain’s skeleton team to goldSteffi Colyer, University of Bath
Why walking in a national park in the dark prompts people to turn off lights at homeJenny Hall, York St John University
The brilliant and bizarre ways birds use their sense of smell – from natural cologne to pest controlJoey Baxter, University of Sheffield
How giant ‘Blobs’ of rock have influenced Earth’s magnetic field for millions of years – new researchAndrew Biggin, University of Liverpool
My unsung hero of science: Frank Malina – fearless rocket engineer, groundbreaking artist and communist ‘traitor’Stephen Roddy, University College Cork
Some people gain confidence from thinking things through, others lose it – new researchSucharit Katyal, University of Copenhagen
Did a tsunami hit the Bristol Channel four centuries ago? Revisiting the great flood of 1607Simon Haslett, Bath Spa University; Swansea University
Iran’s biggest centres of protest are also experiencing extreme pollution and water shortagesNima Shokri, United Nations University
Moore’s law: the famous rule of computing has reached the end of the road, so what comes next?Domenico Vicinanza, Anglia Ruskin University
Proposed new mission will create artificial solar eclipses in spaceNicola Baresi, University of Surrey; Huw Morgan, Aberystwyth University, and Lucie Green, UCL
What’s the point of a space station around the Moon?Berna Akcali Gur, Queen Mary University of London
Wormholes may not exist – we’ve found they reveal something deeper about time and the universeEnrique Gaztanaga, University of Portsmouth
The race to mine the Moon is on – and it urgently needs some clear international rulesAdam Urwick, RAND Europe and Jessie Osborne, RAND Europe
What the first medical evacuation from the International Space Station tells us about healthcare in spaceKirsty Lindsay, Northumbria University, Newcastle; Luke Hughes, Northumbria University, Newcastle, and Nick Caplan, Northumbria University, Newcastle
Apple’s unrivalled commitment to excellence is fading – a designer explains whyChristopher J. Parker, Loughborough University
Facial recognition technology used by police is now very accurate – but public understanding lags behindKay Ritchie, University of Lincoln and Katie Gray, University of Reading
What can technology do to stop AI-generated sexualised images?Simon Thorne, Cardiff Metropolitan University
Humanoid robots or human connection? What Elon Musk’s Optimus reveals about our AI ambitionsBerry Billingsley, Swansea University
Some dogs can pick up hundreds of words – do they learn like children?Juliane Kaminski, University of Portsmouth
Horses really can smell fear, new study claims, and it changes their behaviourRoberta Blake, Anglia Ruskin University
Is time a fundamental part of reality? A quiet revolution in physics suggests notFlorian Neukart, Leiden University
Why do some people get ‘hangry’ more quickly than others?Nils Kroemer, University of Tübingen; University of Bonn
Winter’s natural wonders: seven tips to entice you outside and dose yourself up with joyTom Oliver, University of Reading
How realistic is Mattel’s new autistic Barbie?Aimee Grant, Swansea University and Rebecca Ellis, Swansea University