This Week In History News, March 18 – 24

Published March 23, 2018

Ancient human interspecies breeding uncovered, historic World War II ship found, mystery of Triceratops horn solved.

Our Ancestors Interbred With The Mysterious Race Of Denisovans, New Study Reveals

Human Evolution Exhibit

Jose Manuel Ribeiro/Reuters

A new study is shaking up the history of our early ancestors’ sex lives.

Published in the journal Cell last month, the study revealed that Homo sapiens bred with different populations of the now extinct Denisovans.

We already knew that Homo sapiens had a fair amount of sex with Neanderthals, as the latter’s genes make up one-four percent of the genetic material in humans from various parts of the world including Britain, Japan, and Columbia.

However, DNA from another human-like primate, the Denisovans, is also present in human genomes today. DNA extracted from remains found in a Siberian cave revealed this ancient cross-breeding.

Read more in this report.

Sunken World War II Ship That Killed Five Brothers Finally Found

Sullivan Brothers

Wikimedia CommonsThe Sullivan brothers

In 1942, with World War II in full swing, a Japanese torpedo took down America’s USS Juneau with 687 men aboard. Five of those men were the Sullivan brothers, sibling sailors from Iowa who served together and ultimately died together.

Now, after 76 years, the historic wreck of the Juneau has finally been found.

Read more here.

Scientists Figure Out Why Triceratops Had Horns

Triceratops Skeleton

Wikimedia Commons

You might look at the horns of dinosaurs like Triceratops and think they’d simply be used for battle. Or you might have read previous reports suggesting they were used to distinguish between various species.

But a new study suggests that these horns and frills were actually there to attract mates.

Dig deeper here.

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