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A nice and useful app

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Amongst hundreds of calculators available on the AppStore, Calculator HD + is one of the most attractive, especially because it is very use friendly. It has no more functions than those essential.

The app offer: high precision engine, result is displayed while typing the formula, multiple undo, switch between workspaces, persistent history, specialized keypad for iPhone and iPad, supports bluetooth, keyboard, right or left-handed mode, print easily with AirPrint and you can shere calculations history by e-mail.

Video tutorial and preview of the app:

[video:http://www.youtube.com/watch?v=q6NjX8t4uVw]

Calcolatrice HD+ fig 1 Calcolatrice HD+ fig 2 Calcolatrice HD+ fig 3 Calcolatrice HD+ fig 4


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Neanderthal genes made Covid more severe

A primitive man with a spear, blazer and briefcase

The Origin study from the Mario Negri Institute has identified genetic variants from Neanderthals in the DNA of those who had the most severe form of the disease.

Image credits: Crawford Jolly/Unsplash

A small group of genes that we inherited from the Neanderthal man - and from his romantic relationships with our sapiens ancestors - exposes us today to the risk of developing severe Covid. This is the unique conclusion of the Origin study by the Mario Negri Institute, presented yesterday in Milan and published in the journal iScience.