In this inverse problem, researchers use data about a chemical contaminant’s spread through a city (purple area) with ...

That is the problem the authors of Why Nations Fail described. The government fails to focus on good governance. Nigeria’s biggest problem is the over-concentration of power at the centre.

Long COVID patients show brain swelling linked to memory and concentration problems, study finds. Posted: 11 February 2025 | Last updated: 8 March 2025.

More than half the S&P 500’s return last year came from just seven companies. That’s a concern—but not for the reason that market commentators claim.

New research shows that the concentration of microplastics in our bodies has grown as global plastic production has increased The study looked at brain, liver and kidney tissue from cadavers The ...

Concentration problems and fatigue severity appeared to be positively associated in patients with visual impairment, according to research published in Optometry and Vision Science.“To date, the ...

The unforeseen problem was concentration risk. In the summer of 2023, the actors and writer’s guilds in Hollywood went on strike. This was only a small problem for Netflix because of its massive back ...

You may be able to improve your concentration with brain games and meditation. Learn tips to help you focus. ... Occasional sleep deprivation may not cause too many problems for you.

A discipline or concentration problem? 4mo. Since Mikel Arteta's first game as Arsenal manager on 26 December 2019, the Gunners have had 18 red cards.

While it is most obviously a problem in the US, market concentration isn’t solely a problem there, but everywhere. Every region is seeing a rise in the weighting of its top five biggest stocks, ...

‘Market concentration’ is a phrase on the lips of a lot of the market right now, especially as the Magnificent Seven tech stocks continue to swell in size. The Magnificent Seven is made up of the Big ...

Equal-weight and capped ETFs, such as the newly launched iShares S&P 500 3% Capped Index ETF (TSX: XUSC) and Canadian-hedged iShares S&P 500 3% Capped Index ETF (TSX: XSPC), are options for managing ...