Sexually transmitted disease rates are booming

A harrowing new report by the CDC should serve as a wake-up call.

Image source: MinDof/Shutterstock
  • STD rates have risen every year since 2013, with 2017 showing the largest increase.
  • Syphilis passed from mothers to babies is causing easily preventable infant deaths.
  • STDs are easy to cure so far — the key is getting regularly tested.
Keep reading Show less

There may be very easy way to predict the sex of sperm

A team of Japanese researchers comes across a remarkably simple trick.

Image source: Shidlovski / Shutterstock / Big Think
  • On average, ejaculate holds about a 50/50 mix of X and Y sperm.
  • In some cultures and countries, there are strong historical and contemporary preferences for males over females.
  • There are genes unique to X sperm that can be manipulated to make them swim more slowly than Y sperm.
Keep reading Show less

A man-made embryo shows how a stem cell finds its role

A unique 3D model allows researchers to explore embryonic development.

Image source: Mijo Simunovic/Rockefeller University
  • Researchers observe the beginning of embryonic stem cells dividing into upper and lower body sections.
  • An interdisciplinary team invents an impressively accurate 10-day-old "embryoid."
  • The team's model may be important to other future research on pregnancy.
Keep reading Show less

Should a fetus be a citizen? Why many pro-lifers say no.

If a fetus is a person, would it be a citizen too?

Mark Wilson/Getty Images
  • Abortion rights in the United States might be in for a bit of a reduction.
  • Many of the debates around abortion center around what rights, if any, a fetus should have.
  • If a fetus is a person, the question of if it would be a citizen seems quickly comes to mind.
Keep reading Show less

His biological clock is ticking, too

Men should be just concerned as women.

Image source: Volodymyr Tverdokhlib/Shutterstock
  • A study from Rutgers documents age-related reproductive factors for men.
  • Beyond a certain age, men risk a variety of serious hazards to their mates and offspring.
  • Men planning to father children should consider banking their sperm before reaching 35.
Keep reading Show less