This video explains how the dollar sign is used in Excel formulas to control whether cell references stay fixed or change ...

Tables, named ranges, line breaks, modern functions, and helper columns make Excel formulas easier to read, audit, and fix.

Using the example in our spreadsheet or a similar spreadsheet, highlight all the revenue numbers in the sheet and then in the ...

Learn the difference between Excel COUNT and COUNTA, plus TEXTBEFORE and TEXTAFTER tricks, so you clean text and totals with ...

Scientists at Duke-NUS Medical School have developed two powerful computational tools that could transform how researchers study the "conversations" between cells inside the body. The tools, called ...

Cells experience many different types of stress, such as starvation or stress caused by too much salt or too high a temperature. Insulin signals respond to such stress signals by sending the protein ...

Drugs that limit the activity of cells called neutrophils could make heart attacks less severe without compromising the ...

Some of the citations that underpin the science in the White House’s sweeping “MAHA Report” appear to have been generated using artificial intelligence, resulting in numerous garbled scientific ...

Background On 14 August 2024, the WHO redesignated Monkeypox (mpox) as a Public Health Emergency of International Concern.