Achilles

Immune system ‘remembers’ virus and improves quality of antibodies, research shows

Harvard evolutionary scientist says humans evolved to avoid unnecessary physical activity

Resolution of paradox: A gateway to mathematical progress

Manchester-born defender blazed a trail subsequently followed by over 100 players

Europe Letter: Row over Northern Ireland office eats at EU’s trust as it grapples with coronavirus

Older people seen out in shops, believing they are exception to stay at home message

With its stores shut, Penneys owner needs an ecommerce outlet to reach young shoppers

Tim Magee loves cities and loves food but where offers the best of both worlds? Here are his top picks

Clermont in atmospheric Stade Marcel Michelin a tough assignment for any side

Cork club bidding to avenge previous defeats and retain their title against Donaghmoyne

The win over the All Blacks in 2018 can now be seen for what it is: this side’s Icarus moment

Land Development Agency’s governance structures and social housing targets raise concerns

Ireland need Henshaw at his communicative best, especially when Sexton leaves the field

Dublin Theatre Festival: In Marina Carr’s version of Hecuba, the scale of tragedy is made rivetingly intimate

Patrick Freyne: Series comes to an end with a climactic showy sword fight. Quiet at the back

Sevens specialist one of three changes made by Eddie Jones for Cardiff warm-up clash

By not taking out insurance you leave yourself at mercy of airlines, tour operators

Countdown to Launch by Irish authors Greg Devlin and Liam Fennelly offers a rigorous six-week bootcamp process for start-ups

Seamus Power is in eighth place through 15 holes as play is suspended due to heavy rain

Hosts into semi-finals where they will meet Eintracht Frankfurt after dramatic night

John Dowling ‘loved what he taught and the people he taught it to’

The hero of Ken Rogan’s excellent debut is a warrior on the pitch but lost at sea in matters of the heart

John O'Sullivan: during the Rugby Championship Pumas averaged three tries a match

Dev Hynes returns with a little help from his famous friends on another strong outing

Putin will have people killed until he faces ‘devastating’ consequences, says financier

Worldwide opportunities are opening up for Irish craftspeople

Sales of premium electric cars rise from low base after opening of new outlet in Dublin

Gemma O’Connor and Julie White help Cork gain revenge for last year’s All-Ireland defeat

Paula Fitzpatrick expected to take charge of side after fullback ruled out with Achilles injury

Inflamed Achilles keeping the powerful midfielder sidelined

Capital gains based on great groundwork and true self belief in Jim Gavin's camp

Ireland’s tormentor-in-chief believes old boss Guy Noves can deliver success for Les Bleus

Many athletes face long-term struggles with no support or advice

City manager’s selections, his ideas, are under scrutiny – not least from himself

With her lack of grace, the First Minister missed a chance to change the tone in North's politics

Inside Politics: Read our favourite pieces from the digest in 2016

Preparing well and paying attention to how you run can help prevent many common injuries

The National Library of Ireland houses a vast collection of Irish-related books, and plans to expand its web archive

Skulduggery and athletic prowess make for a heady mix at this ‘pantomime for grown ups’

Clare manager admits he didn’t enjoy 2013 victory enough – but has learned his lesson