Does Sharing the Womb with a Brother Affect Girls?
Does Sharing the Womb with a Brother Affect Girls?
A study links having a male twin with women’s educational, financial, and childbearing decisions. Researchers suspect prenatal exposure to testosterone may play a role.
Does Sharing the Womb with a Brother Affect Girls?
Does Sharing the Womb with a Brother Affect Girls?

A study links having a male twin with women’s educational, financial, and childbearing decisions. Researchers suspect prenatal exposure to testosterone may play a role.

A study links having a male twin with women’s educational, financial, and childbearing decisions. Researchers suspect prenatal exposure to testosterone may play a role.

electron microscopy, immunology, developmental biology
Image of the Day: An Infectious Glow
Image of the Day: An Infectious Glow
Carolyn Wilke | Mar 7, 2019
In CRISPRed fruit flies that lack certain antimicrobial peptides, bacterial infections flourish, as revealed by fluorescent markers.
CAR T Cells Treat Lupus in Mice
CAR T Cells Treat Lupus in Mice
Abby Olena | Mar 6, 2019
T cells modified to target disease-contributing B cells improved survival in two mouse models of the autoimmune disease.
Does Prior Dengue Exposure Help or Hurt a Zika Infection?
Does Prior Dengue Exposure Help or Hurt a Zika Infection?
Diana Kwon | Mar 6, 2019
Animal and cell culture studies show evidence that dengue antibodies can both neutralize and enhance Zika, but human investigations have only found protective effects.
Long-Term HIV Remission After Medicine Discontinued
Long-Term HIV Remission After Medicine Discontinued
Kerry Grens | Mar 5, 2019
The “London patient” may represent the second person cured of the infection by a cell transplant.
Stick-On Immune Cell Monitor
Stick-On Immune Cell Monitor
Ruth Williams | Mar 1, 2019
A microneedle-containing skin patch offers researchers a noninvasive way to survey immune responses in mice.

Infographic: Immune Cell Monitoring Via a Skin Patch
Infographic: Immune Cell Monitoring Via a Skin Patch
Ruth Williams | Mar 1, 2019
A stick-on patch enables sampling of immune cells in the skin.
Doctors Report World’s Second Case of “Semi-Identical” Twins
Doctors Report World’s Second Case of “Semi-Identical” Twins
Catherine Offord | Feb 28, 2019
The extremely rare event, thought to be caused by two sperm cells fertilizing the same egg simultaneously, was last reported in 2007.
Salt Could Play a Role in Allergies
Salt Could Play a Role in Allergies
Abby Olena | Feb 20, 2019
High salt concentrations are present in the affected skin of people with atopic dermatitis and promote the differentiation of the T helper cells involved in the development of allergic diseases.
Climate Change May Hamper Response to Flu: Study
Climate Change May Hamper Response to Flu: Study
Carolyn Wilke | Feb 5, 2019
Mice exposed to heat wave temperatures ate less and showed weakened immune responses to the virus.