Asian Spectator


The Times

.

What’s in tattoo ink? My team’s chemical analysis found ingredients that aren’t on the label and could cause allergies

  • Written by John Swierk, Assistant Professor, Chemistry, Binghamton University, State University of New York
What’s in tattoo ink? My team’s chemical analysis found ingredients that aren’t on the label and could cause allergiesTattoo ink ingredients don't always match what's labeled on the bottle. AP Photo/Desmond Boylan

Tattoos are an incredibly common form of permanent self-expression that date back thousands of years. Most tattoo artists follow strict health and sanitation regulations, so you might assume that tattoo inks are carefully regulated, too.

But as work done...

More Articles ...

  1. An eclipse for everyone – how visually impaired students can ‘get a feel for’ eclipses
  2. Generative AI could leave users holding the bag for copyright violations
  3. TikTok’s duet, green screen and stitch turn political point-scoring into an art form
  4. Why March Madness is a special time of year for state budgets
  5. Lab tests show THC potency inflated on retail marijuana in Colorado
  6. Thin, bacteria-coated fibers could lead to self-healing concrete that fills in its own cracks
  7. Breakaway parties threaten to disrupt South Korea’s two-party system – can they also end parliamentary gridlock?
  8. Even presidents need a touch of madness − in March
  9. Purim’s original queen: How studying the Book of Esther as fan fiction can teach us about the roots of an unruly Jewish festival
  10. For centuries, owls were considered to bring bad luck in many cultures as well as in the US, but the outpouring of grief in New York over Flaco shows how times have changed

Magazine

Compressed Air Pipe and Fittings: What Every Australian Industrial Facility Needs to Know

Compressed air is the fourth utility of modern industry, right alongside electricity, gas, and water. Yet despite its critical role in powering everything from pneumatic tools to automated productio...

Common Risks Hidden in Commercial Lease Agreements

Commercial leases are often longer and more complex than tenants expect, and the fine print can carry significant financial and operational consequences over the years that follow. Many business own...

Corporate Secretarial Services in Singapore: Annual Compliance, Key Filings, and Common Mistake

Annual compliance in Singapore should not be treated as a once-a-year administrative event. It is an ongoing governance system that depends on accurate records, timely filings, disciplined approvals...

hacklink hack forum hacklink film izle hacklink z-librarytelegram下载betwoonzlibrary.jojobetสล็อตสล็อตgrandpashabetstakecasibomStreamEastStreamEasthitbet girişroyalbetjojobetjojobetdamabetPadişahbetvipparkmobiladres.comDizipalStreamEastPadişahbetGalabetmostbetmarsbahismarsbahiskralbetkralbetmeritkingSuperbetinjojobetcasibomjojobetjojobet