Egypt team identifies fossil of land-roaming whale species

Egyptian scientists say the fossil of a four-legged prehistoric whale, unearthed over a decade ago in the country's Western Desert, is that of a previously unknown species. The creature, an ancestor of the modern-day whale, ...

Exploring quantum gravity and entanglement using pendulums

When it comes to a marriage with quantum theory, gravity is the lone holdout among the four fundamental forces in nature. The three others—the electromagnetic force, the weak force, which is responsible for radioactive ...

Why has same-sex sexual behavior persisted during evolution?

Same-sex sexual behavior may seem to present a Darwinian paradox. It provides no obvious reproductive or survival benefit, and yet same-sex sexual behavior is fairly common—around 2-10% of individuals in diverse human societies—and ...

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