Precious metals like palladium and platinum are often used as chemical catalysts, but they’re expensive. Scientists may have just found a cheaper alternative.

US Secretary of Health and Human Services Robert F. Kennedy Jr. Credit: Heather Diehl/Getty Images The new food pyramid says it all. In January, the federal government released updated dietary ...

Neuroscientist Karen Konkoly is a lucid dreamer. When she’s asleep and immersed in a dream, she knows that she is, in fact, ...

An Atlanta dietitian offers an assessment of the new Dietary Guidelines for Americans, unveiled recently by the Trump administration, which flips the food pyramid on its head.

This is Defector, a new sports blog and media company. We made this place together, we own it together, we run it together. Without access, without favor, without discretion, and without interference.

Kennedy, during a press briefing at the White House, remarked on the look of the inverted food pyramid and claimed that the model “was actually upside-down before and we just righted it.” Klepper ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Models 1979.0102.205, MA.304723.715, ...

Photo courtesy the Complex of Landscape Parks of the Wielkopolska Voivodeship. A pair of ancient tombs have been found in Poland that point to a distinctive Stone Age culture famous for earthen mounds ...

9.25 x 2.25 x 2.5 in. (23.5 x 5.7 x 6.4 cm.) Subscribe now to view details for this work, and gain access to over 18 million auction results. Purchase One-Day Pass ...

Megalithic tombs in Wietrzychowice, Poland. Credit: MOs810 / CC BY-SA 4.0 A set of massive, triangular burial mounds believed to be 5,500 years old has been uncovered. Dubbed the “Polish pyramids,” ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...

Ekiti State government has commended Professor Philip Omoniyi Adetiloye for scoring a historic feat, with the construction of Nigeria’s first-ever symmetrical-base pyramid in Ise Ekiti. It is seen as ...