But most are held in wilderness areas and require competitors to find a series of checkpoints using only a compass, an altimeter and a topographic map.
What is different from traditional fingerprinting is that the government can scan through millions of digital files in a matter of seconds, even at remote checkpoints, using hand-held devices distributed widely across the security forces.
In recent months, I've been pointing out how the T.S.A. is making progress at checkpoints, using so-called risk-based screening.
She told the programme: "When people passed through checkpoints using these devices, they thought they would be safe, but they are useless.
In oncology, one of the most promising anti-cancer therapies is immunotherapy aimed at alleviation of the blockade of immune checkpoints, using treatments including PD-1/PD-L1 blorkers or anti-CTLA4 therapy (Fig. 3A).
Herrou drove the migrants across the border in his van – the same van he uses to deliver eggs in his tiny Alpine village – deftly avoided police checkpoints using mountain lanes, and later provided shelter at his hilltop farm.
The goal of the passport card, an alternative to the traditional passport, is to reduce the wait at land and sea border checkpoints by using an electronic device that can simultaneously read multiple cards' radio frequency identification (RFID) signals from a distance, checking travelers against terrorist and criminal watchlists while they wait.
Consistent with our current data, Sugiyama et al. reported that disruption of the Chk1 G2 checkpoint using UCN-01, a Chk1 inhibitor, increased the cytotoxicity of MC, and this effect was independent of the wild-type p53 (52).
The high-visibility checkpoints used standard operating procedures for consistency, stopped all traffic during a specified time period to assess drivers' levels of impairment, and involved the use of field sobriety tests and breath alcohol testers to assess alcohol impairment.
These experiments further underline the importance of the growth regionalization aspect occurring upon MCTS growth when investigating cell cycle checkpoint in 3D using a drug that impairs cell cycle progression.
