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Sites try to catch under-age users — "We are not burying our head in the sand," said Joe Sullivan, the chief security officer at Facebook — but verifying a young person's age over the Internet is a task that ranges from tricky to near impossible.
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From Tricky Dicky to Jesus Christ was not, perhaps, as huge a change as everyone thought.
From tricky teens to picky parents, there are ideas for all culture-loving family members in our gift guide.
After the parliamentarians triumphed under Oliver Cromwell, Sir Ralph Verney had been obliged to flee to France, from where it was tricky to keep an eye on family matters.
With so many social media sites and apps to choose from, it can be tricky to gauge what's appropriate for each one.
Museum loans from Asia are increasingly tricky to negotiate, and to pay for, now that the Met, like most museums, is economically pinched.
When transferred back to patients, such autotransplants would not only avoid the problem of graft rejection, but also overcome the worry of nasty viruses being passed from graft to host.Neural stem cells are, unsurprisingly, rather tricky to harvest from living patients.
All of this is clearly an answer to a major complaint from studios about the previous generation, which was infamously tricky to master from a software perspective.
To understand a puzzle that has been confounding scientists in recent years, researchers need to know not only the spatial extent of the ice, but also how thick it is, which is tricky to estimate from satellite data alone or from scant point measurements taken by drilling into ice floes.
We checked a few rooms and looked for an unoccupied window from which I could shoot steadily my wide-angle lens is tricky to use from a distance. .
Dye stains can be very tricky to remove from carpeting and the bleeding of dye from the rug itself is virtually irreversible.
Write better and faster with AI suggestions while staying true to your unique style.
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com