human-made objects
Most Popular
H5N1 Bird Flu Has Spread to Humans With 'Extraordinarily High' Mortality Rate, WHO Warns
Roman Lead Coffin Found To Hold Previously Unknown Human Child Remains in Fascinating Discovery
Pluto's Heart: Massive Ancient Collision May Explain How Dwarf Planet's Unique Heart-Shaped Feature Formed, Scientists Discover
Why Do People Struggle to Remember Mundane Things Like Passwords, Locking the Front Door?
![Sat-Nav in Space: Best Route Between Two Worlds Calculated Using 'Knot Theory' [Study]](https://1721181113.rsc.cdn77.org/data/thumbs/full/53194/258/146/50/40/sat-nav-in-space-best-route-between-two-worlds-calculated-using-knot-theory-study.png)
