Objective: Procalcitonin has emerged as a promising infection marker, but previous reports from small-sized studies suggest nonspecific elevation of procalcitonin after pediatric heart surgery.

While you can get tested at a doctor’s office or a clinic, at-home test kits offer another good option. Testing for STIs at home is convenient, discreet, and reliable. An STI is considered an ...

Background Procalcitonin (PCT)-protocols to guide antibiotic treatment in severe infections are known to be effective. But less is known about the long-term effects of such protocols on antibiotic ...

When looking into purchasing an at-home DNA test, think about your overall goals. Are you trying to gain an understanding of your heritage, or do you want to learn more about your health and ...

In response to criticism that the test is not a reliable assessment tool, psychologists have worked to improve and validate the Rorschach over time. They have developed standardized protocols to ...

The leaf on the right shows a positive test for starch in the areas which contained chlorophyll, and a negative test for starch in the areas which lack chlorophyll. This is evidence that ...

Are you sexually creative? Find out who you really are between the sheets with this sex personality test. Examine the following statements and indicate how well they describe you. In order to ...

A t-test is an inferential statistic used in hypothesis testing to determine if there is a statistically significant difference between the means of two sample populations. A t-test is an ...

Here's how we test every laptop that hits the bench at PC Labs using 24 different benchmarks. I’m one of the consumer PC experts at PCMag, with a particular love for PC gaming. I've played games ...

Test your broadband connection speed. Our speedtest works on the vast majority of web browsers and devices, including computers, tablets, phones and games consoles. If you are experiencing ...

A 40-year-old man presented to the emergency department with a 5-day history of fevers, sore throat, fatigue, subjective ...

Please read this section before submitting anything to Nature. This section explains Nature's editorial criteria, and how manuscripts are handled by our editors between submission and acceptance ...