Differences associated with learning difficulties are found less in specific areas of the brain and more in the connections between them, experts say.
After scanning 479 children's brains, Cambridge University researchers found they were organised in multiple "hubs".
The first case of the coronavirus in sub-Saharan Africa has been confirmed in Nigeria.
The patient is an Italian citizen who works in Nigeria and flew into the commercial city of Lagos from Milan on 25 February.
One show at Paris Fashion Week proved to be unintentionally timely as models wore a range of outfits complete with matching facemasks.
The outfits were shown earlier this week by French designer Marine Serre.
Scientists have detected evidence of a colossal explosion in space - five times bigger than anything observed before.
The huge release of energy is thought to have emanated from a supermassive black hole some 390 million light years from Earth.
Amazon has banned more than one million products which claim to protect against the coronavirus - or even cure it.
The online retailer told Reuters it had also removed "tens of thousands" of overpriced health products from unscrupulous sellers.
The head of the UK's unions has warned Boris Johnson she will "get to hear" what goes on in post-Brexit trade talks with the EU, even if the prime minister tries to withhold details from her.
TUC general secretary Frances O'Grady said European leaders were open with their unions, who passed information on and kept her "well plugged in".
Stock markets across the globe are suffering their worst week since the global financial crisis of 2008 as fears over the impact of the coronavirus continue to grip investors.
Markets in Europe fell sharply on Friday, with London's FTSE 100 index sinking more than 3%.
Saudi Arabia has temporarily halted the entry of pilgrims entering the country to visit holy sites, in an attempt to slow the spread of coronavirus.
Taylor Swift plays a man-spreading, cigar smoking, strip-club-going male business executive in the new video for her track, The Man.
The song, taken from her seventh studio album Lover, is the first new music released since her
The UK will endeavour to continue within a €100bn (£85bn) EU science programme after Brexit.
Prime Minister Boris Johnson gave the green light for the UK to negotiate its continued participation within the Horizon Europe research programme.
Five people have been killed in a shooting at the Molson Coors Brewing Company campus in Milwaukee, Wisconsin state, local officials say.
Clearview AI, a start-up with a database of more than three billion photographs from Facebook, YouTube and Twitter, has been hacked.
The attack allowed hackers to gain access to its client list but it said its servers had not been breached.
The UK has warned the EU it will walk away from trade talks in June unless there is a "broad outline" of a deal.
Michael Gove told MPs the UK wanted to strike a "comprehensive free trade agreement" in 10 months.
More than 60 people have been hurt, many of them riot police, in clashes with protesters on Lesbos and Chios over plans to build new migrant camps.
An Apple employee who died after his Tesla car hit a concrete barrier was playing a video game at the time of the crash, investigators believe.
The US National Transportation Safety Board (NTSB) said the car had been driving semi-autonomously