MI weekly selection #590

Whale songs reveal similarities to human speech

Two new studies reveal that whale songs share sophisticated similarities with human speech, challenging the uniqueness of human language. Researchers found that humpback whales exhibit communication efficiency akin to human languages, adhering to linguistic laws such as Menzerath’s and Zipf’s laws.

Full Story: ScienceAlert

Birds, mammals evolved complex brains separately

Research has revealed that birds and mammals have developed complex brains through distinct evolutionary paths, challenging the traditional view that these species share a common neural blueprint. This independent development, known as convergent evolution, suggests that complex brain functions can emerge through various genetic routes.

Full Story: Earth

The pleasant scents of Egyptian mummies

Researchers have conducted a study revealing that Egyptian mummies emit a surprisingly pleasant scent due to the materials used in their embalming, such as waxes, resins and oils. The study combined human sensory evaluation with scientific analysis to catalog these aromas.

Full Story: Popular Science

AI reveals meteoroid impacts as cause of marsquakes

Recent research using AI has revealed that many marsquakes are caused by meteoroid impacts rather than tectonic activity, challenging previous assumptions about Mars’ seismic dynamics. The study analyzed seismic data from the Mars InSight lander and identified 49 seismic events linked to new impact craters.

Full Story: ScienceAlert

6,000-year timeline for human remains in Thames

A new study has dated human remains from the River Thames, spanning nearly 6,000 years, providing a comprehensive timeline that spans from 4000 BCE to 1800 CE, offering insights into the historical and cultural significance of these remains. The research, which involved radiocarbon dating of 61 individuals, indicates a significant number of remains from the Bronze and Iron Ages, suggesting ritualistic deposition practices.

Full Story: PhysOrg