Nova

What makes eagles so remarkable? Researchers study one special bird, revealing her exceptional strength, eyesight and flying skills.

What makes eagles so remarkable? Researchers study one special bird, revealing her exceptional strength, eyesight and flying skills.

What makes eagles so remarkable? Researchers study one special bird, revealing her exceptional strength, eyesight and flying skills.

What makes eagles so remarkable? Researchers study one special bird, revealing her exceptional strength, eyesight and flying skills.

What makes eagles so remarkable? Researchers study one special bird, revealing her exceptional strength, eyesight and flying skills.

What makes eagles so remarkable? Researchers study one special bird, revealing her exceptional strength, eyesight and flying skills.

What makes eagles so remarkable? Researchers study one special bird, revealing her exceptional strength, eyesight and flying skills.

What makes eagles so remarkable? Researchers study one special bird, revealing her exceptional strength, eyesight and flying skills.

What makes eagles so remarkable? Researchers study one special bird, revealing her exceptional strength, eyesight and flying skills.

What makes eagles so remarkable? Researchers study one special bird, revealing her exceptional strength, eyesight and flying skills.

Who created the Nazca lines, one of archaeology's greatest enigmas, and why? Recent finds of long-hidden lines and figures etched into the Peruvian desert offer new clues to the origins and purpose behind these giant desert symbols.

What makes eagles so remarkable? Researchers study one special bird, revealing her exceptional strength, eyesight and flying skills.

Who created the Nazca lines, one of archaeology's greatest enigmas, and why? Recent finds of long-hidden lines and figures etched into the Peruvian desert offer new clues to the origins and purpose behind these giant desert symbols.

What makes eagles so remarkable? Researchers study one special bird, revealing her exceptional strength, eyesight and flying skills.

Who created the Nazca lines, one of archaeology's greatest enigmas, and why? Recent finds of long-hidden lines and figures etched into the Peruvian desert offer new clues to the origins and purpose behind these giant desert symbols.

Cannabis contains chemicals which mimic ones found in our brain.

The ancient Maya built large complex cities with towering pyramids and temples that served as centers for a thriving civilization.

The ancient Maya built large complex cities with towering pyramids and temples that served as centers for a thriving civilization.

The ancient Maya built large complex cities with towering pyramids and temples that served as centers for a thriving civilization.

Quantum entanglement is poised to revolutionize technology from networks to code breaking, but first we need to know it's real.

Quantum entanglement is poised to revolutionize technology from networks to code breaking, but first we need to know it's real.

NOVA presents the remarkable life story of Percy Julian -- not only one of the great African-American scientists of the 20th century, but an industrialist, self-made millionaire, humanitarian and civil rights pioneer.

Quantum entanglement is poised to revolutionize technology from networks to code breaking, but first we need to know it's real.

Quantum entanglement is poised to revolutionize technology from networks to code breaking, but first we need to know it's real.

Quantum entanglement is poised to revolutionize technology from networks to code breaking, but first we need to know it's real.

Quantum entanglement is poised to revolutionize technology from networks to code breaking, but first we need to know it's real.

Quantum entanglement is poised to revolutionize technology from networks to code breaking, but first we need to know it's real.

Quantum entanglement is poised to revolutionize technology from networks to code breaking, but first we need to know it's real.

Quantum entanglement is poised to revolutionize technology from networks to code breaking, but first we need to know it's real.

Out in the solar system, the weather gets wacky - with globe-spanning dust storms, monsoons of liquid methane, and lightning 10 times stronger than here on Earth.

Out in the solar system, the weather gets wacky - with globe-spanning dust storms, monsoons of liquid methane, and lightning 10 times stronger than here on Earth.

Out in the solar system, the weather gets wacky - with globe-spanning dust storms, monsoons of liquid methane, and lightning 10 times stronger than here on Earth.

The rocky planets - Mercury, Venus, Earth and Mars - were born of similar material around the same time, yet only one supports life.

Out in the solar system, the weather gets wacky - with globe-spanning dust storms, monsoons of liquid methane, and lightning 10 times stronger than here on Earth.

The rocky planets - Mercury, Venus, Earth and Mars - were born of similar material around the same time, yet only one supports life.

Out in the solar system, the weather gets wacky - with globe-spanning dust storms, monsoons of liquid methane, and lightning 10 times stronger than here on Earth.

Out in the solar system, the weather gets wacky - with globe-spanning dust storms, monsoons of liquid methane, and lightning 10 times stronger than here on Earth.

The rocky planets - Mercury, Venus, Earth and Mars - were born of similar material around the same time, yet only one supports life.

The rocky planets - Mercury, Venus, Earth and Mars - were born of similar material around the same time, yet only one supports life.

Out in the solar system, the weather gets wacky - with globe-spanning dust storms, monsoons of liquid methane, and lightning 10 times stronger than here on Earth.

Out in the solar system, the weather gets wacky - with globe-spanning dust storms, monsoons of liquid methane, and lightning 10 times stronger than here on Earth.

Out in the solar system, the weather gets wacky - with globe-spanning dust storms, monsoons of liquid methane, and lightning 10 times stronger than here on Earth.

From a dwarf planet that looks like a deflated football, to a tiny moon with cliffs taller than Mt.

From a dwarf planet that looks like a deflated football, to a tiny moon with cliffs taller than Mt.

From a dwarf planet that looks like a deflated football, to a tiny moon with cliffs taller than Mt.

Mars was once a blue water world studded with active volcanoes.

From a dwarf planet that looks like a deflated football, to a tiny moon with cliffs taller than Mt.

Mars was once a blue water world studded with active volcanoes.

From a dwarf planet that looks like a deflated football, to a tiny moon with cliffs taller than Mt.

From a dwarf planet that looks like a deflated football, to a tiny moon with cliffs taller than Mt.

Mars was once a blue water world studded with active volcanoes.

Mars was once a blue water world studded with active volcanoes.

From a dwarf planet that looks like a deflated football, to a tiny moon with cliffs taller than Mt.

From a dwarf planet that looks like a deflated football, to a tiny moon with cliffs taller than Mt.

From a dwarf planet that looks like a deflated football, to a tiny moon with cliffs taller than Mt.

Around our solar system, violent eruptions are shaping distant worlds.

Around our solar system, violent eruptions are shaping distant worlds.

Around our solar system, violent eruptions are shaping distant worlds.

Around our solar system, violent eruptions are shaping distant worlds.

Around our solar system, violent eruptions are shaping distant worlds.

Around our solar system, violent eruptions are shaping distant worlds.