Every year, we celebrate International Women’s Day on March 8 as a way to commemorate the movement for women’s rights. This global holiday honors the social, economic, cultural, political – and in our case – scientific achievements of women.

Additionally, International Women’s Day also marks a call to action for accelerating gender parity. Currently, women remain underrepresented in the STEM workforce, although to a lesser degree than the past. According to the National Science Foundation, the greatest gender disparities still exist in the fields of engineering, computer science, and physical science.

In the U.S., women make up half of the entire workforce, but only 29 percent of the science and engineering field. While the gender gap may still exist for women in STEM, many phenomenal female scientists have entered the field over the years and left an indelible mark on the science.

Take Nettie Stevens (born 1861), the foremost researcher in sex determination, whose work was initially rejected because of her sex. Or Mary Engle Pennington (born 1872), an American chemist at the turn of the 20th century, pioneering research that allows us to process, store, and ship food safely. Barbara McClintock (born 1902) was deemed crazy when she suggested that genes jump from chromosome to chromosome. Of course, she was later awarded the Nobel Prize in Physiology or Medicine for her discovery of genetic transportation.

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By: Carolyn Conner Seepersad, University of Texas at Austin

As millions of students of all ages return to school this fall, they are making important choices that have a strong influence on their eventual career path – which college majors to pursue, which high school classes to take, even which elementary school extracurricular activities to join. Many of them – especially women, girls and members of minority groups – make choices that lead them away from professions in the fields of science, technology, engineering and mathematics (STEM).

Women are just 13 percent of mechanical engineering undergraduate students. And women earn only 14.2 percent of doctorate degrees in mechanical engineering. More broadly, women make up 49 percent of the college-educated workforce, but only 14 percent of practicing engineers nationwide.

When these disparities persist, everyone suffers. Women miss out on opportunities in growing and highly paid occupations that require science and engineering skills. Furthermore, diverse design teams are more innovative and often avoid key flaws when designing products and systems with which we interact on a daily basis. Early airbags designed by primarily male design teams worked for adult male bodies, but resulted in avoidable deaths of female and child passengers. Early voice recognition systems failed to recognize female voices because they were calibrated for standard male voices.

How can we get more women into engineering fields, and help them stay for their whole careers? We need their insight and creativity to help solve the problems facing our world.

Options for action

Experts tell us that there are a variety of things that will help. For example, we need to encourage young girls to develop their spatial skills, laying the foundation for further scientific exploration as they grow.

We also need to find ways to help women feel less alone as they help us build a more inclusive engineering community. This includes hosting female-focused engineering interest groups on campuses and in workplaces, and highlighting engineering role models who reflect the true diversity of our population.

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Grace Hopper

Two female tech pioneers won the Presidential Medal of Freedom. Grace Hopper, known as the “first lady of software,” and Margaret Hamilton, regarded for her leadership role in a NASA software team that helped land a man on the moon, continued to break the glass ceilings in computer science upon receiving this prestigious award.

Hopper was one of the first programmers of the Harvard Mark I and a pioneer in computer science until she passed away in 1992.

When discussing Hopper’s achievements, U.S. President Barack Obama said, “If Wright is flight, and Edison is light, then Hopper is code.”

Margaret Hamilton

Hamilton played a major role on the 1960s NASA team that got a man to the moon. She was critical in developing the on-board flight software for the Apollo space program.

President Obama said, “Luckily for us, Margaret never stopped pioneering. She symbolizes that generation of unsung women who helped send humankind into space.”

From cellphones to cyber command, the work of these women has helped shape the world we currently live in.

Cards Against Humanity, the comedy card game, has announced that applications are now being accepted for their Science Ambassador Scholarship. The scholarship is geared to award full-tuition to young women seeking undergraduate degrees in STEM.

This year, one winner will be selected by a board of sixty women in STEM to receive full tuition coverage for up to four years.

“I’m so excited that we’re able to offer another scholarship for a woman studying STEM. A lot of us at Cards Against Humanity have backgrounds in science and tech, and the under-representation of women in these fields is staggering,” says Jenn Bane, the Cards Against Humanity community director. “Ask a kid to draw a scientist, they’ll draw a man in a lab coat, because science and math are historically male-dominated fields. Cards Against Humanity has a large audience, so with the Science Ambassador Scholarship we hope to help change the public perception of what a scientist looks like.”

To apply, applicants must submit a three-minute video explaining a scientific topic they’re passionate about. Find more details here.

PS: If you want to contribute to the fund, you can pick up the Science Pack to add to your Cards Against Humanity Deck. All profits go to the Science Ambassador Scholarship.

Just over 45 years ago today, 500,000 women marched down New York City’s Fifth Avenue to celebrate the anniversary of the 1920 ratification of the 19th Amendment. Since that day, Aug. 26 has been annually celebrated in the U.S. as Women’s Equality Day – a celebration of a major turning point in the women’s rights movement: the right to vote.

While women’s move toward equality has gained much momentum since the 1920s, there have been plenty of bumps in the road – especially for women in science, technology, engineering, and math.

History may not have always been kind to women, but they’ve always been there – building the early foundation of modern science and breaking gender barriers in innovation and discovery.

Take Nettie Stevens (born 1861), the foremost researcher in sex determination, whose work was initially rejected because of her sex. Or Mary Engle Pennington (born 1872), an American chemist at the turn of the 20th century, pioneering research that allows us to process, store, and ship food safely. Barbara McClintock (born 1902) was deemed crazy when she suggested that genes jump from chromosome to chromosome. Of course, she was later awarded the Nobel Prize in Physiology or Medicine for her discovery of genetic transportation.

Through the years, women in STEM have worked tirelessly to break the hardest glass ceilings and close the gender gap.

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Prior to the turn of the 20th century, society pondered a question that baffled people for millennia: What drives the sex of a baby? What makes a boy a boy? What makes a girl a girl?

Pioneering female geneticist Nettie Stevens set out to tackle that mystery in 1905, when she discovered the sex is determined by chromosomes. Pretty revolutionary stuff for a society that assumed that mother, environment, or diet determined if a child was born male or female.

Today would be her 155th birthday, which Google is honoring with their daily doodle.

Interestingly enough, when Stevens presented her initial work on chromosomes’ role in sex determination, it was pretty widely denied by the scientific community. However, when Edmund Wilson (who also believed environmental factors also played some role in determining sex) released research that same year that came to the same relative conclusion as Stevens’, the connection between chromosomes and sex determination became more widely accepted.

Essentially, the foremost researcher in sex determination’s work was initially rejected largely because of her sex. While Stevens’ work eventually stood on its own merit and gave us the ultimate understanding for sex determination, her story speaks to the struggles that women in STEM faced, and often still face today.

(READ: “Celebrating Women in STEM“)

When Stevens died in 1912 from breast cancer, the New York Times wrote, “She was one of the very few women really eminent in science, and it took a foremost rank among the biologists of the day.”

There is no doubt that women have made an immense impact on the sciences. From Marie Curie to Esther Takeuchi, women have made outstanding contributions to innovation, research, and technology.

In honor of International Women’s Day and Women’s History Month, we’re celebrating by (briefly) highlighting a few women who have changed STEM.

Marie Curie

A list of pioneering women in STEM would be incomplete if it did not include the extraordinary Marie Curie. Her inspiring story and discovery or radium helped pave the way to inspire many future women in STEM. Curie was the first woman ever to win a Nobel Prize, the first person and only woman to win twice, and the only person to win in multiple sciences.

Irene Joliot-Curie

Continuing the work of her mother Marie Curie, Irene Joliot-Curie was awarded the Nobel Prize in 1935 for the synthesis of new radioactive elements. Her work included the study of natural and artificial radioactivity, transmutation of elements, and nuclear physics. Joliot-Curie’s work lead to research by German physicist that eventually resulted in the discovery of nuclear fission.

Lili Deligianni

Lili Deligianni’s innovative work in chemical engineering has led to cutting-edge developments in chip technology and thin film solar cells. She has been with ECS for many years, currently serving as the Society’s secretary. Her current research interests in the development of materials for low power on-chip converters and thin film solar cells are game changing technologies that could have applications in solar panel sand electric cars.

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Lili Deligianni is a Research Scientist and Principal Investigator at IBM’s Thomas J. Watson Research Center. Her innovative work in chemical engineering has led to cutting-edge developments in chip technology and thin film solar cells. Lili has been with ECS for many years and currently serves as the Society’s Secretary.

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June 25th marked the 112th anniversary of Marie Curie’s announcement of her discovery of radium, a critical component in the development of x-rays and radiology. For her work on radioactivity, Curie earned the Nobel Prize in Physics in 1903 and the Nobel Prize in Chemistry in 1911.

Curie’s inspiring story helped pave the way and inspire many future women in STEM. While Currie may have been the first, she was not the last. There have been many women since Curie that have made a tremendous impact in science. Between 1901 and 2014, 46 women in total have been award the Nobel Prize. Of the 46 winners, 16 have been for STEM related achievements. While the following women may not be household names, they have impact our way of life and drastically changed the field of science.

Here are a few women who paved the way in chemistry and physics:

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