WASHINGTON, DC - MARCH 07: Rep. Chris Van Hollen (D-MD) speaks onstage during the "Stand Up for National Day of Action for Science" rally on the National Mall on March 07, 2026 in Washington, DC. (Photo by Brian Stukes/Getty Images for Stand Up For Science)

WASHINGTON, DC - MARCH 07: Rep. Chris Van Hollen (D-MD) speaks onstage during the "Stand Up for National Day of Action for Science" rally on the National Mall on March 07, 2026 in Washington, DC. (Photo by Brian Stukes/Getty Images for Stand Up For Science)

WASHINGTON, DC - MARCH 07: Dr. Gretchen Goldman speaks onstage during the "Stand Up for National Day of Action for Science" rally on the National Mall on March 07, 2026 in Washington, DC. (Photo by Brian Stukes/Getty Images for Stand Up For Science)

WASHINGTON, DC - MARCH 07: Dr. Gretchen Goldman speaks onstage during the "Stand Up for National Day of Action for Science" rally on the National Mall on March 07, 2026 in Washington, DC. (Photo by Brian Stukes/Getty Images for Stand Up For Science)

WASHINGTON, DC - MARCH 07: Simon Rosenberg speaks onstage during the "Stand Up for National Day of Action for Science" rally on the National Mall on March 07, 2026 in Washington, DC. (Photo by Brian Stukes/Getty Images for Stand Up For Science)

WASHINGTON, DC - MARCH 07: Simon Rosenberg speaks onstage during the "Stand Up for National Day of Action for Science" rally on the National Mall on March 07, 2026 in Washington, DC. (Photo by Brian Stukes/Getty Images for Stand Up For Science)

WASHINGTON, DC - MARCH 07: Dr. Oye Owolewa speaks onstage during the "Stand Up for National Day of Action for Science" rally on the National Mall on March 07, 2026 in Washington, DC. (Photo by Brian Stukes/Getty Images for Stand Up For Science)

WASHINGTON, DC - MARCH 07: Dr. Oye Owolewa speaks onstage during the "Stand Up for National Day of Action for Science" rally on the National Mall on March 07, 2026 in Washington, DC. (Photo by Brian Stukes/Getty Images for Stand Up For Science)