CFCs cause half of Arctic global warming, scientists say

Q. -B Lu vindicated; is the CO2 theory in hot water? Magic 8-ball says maybe

Why stop at pronouns?

  If everybody possessed their own private language, we could eliminate sexism and racism once and for all.

Does loneliness cause Alzheimer's disease?

  Elderly people who are isolated and lonely have a higher incidence of Alzheimer's

Why scientists don't trust science reporters

  If you want to argue against animal research, argue against animal research.

Apocalyptic visions about porn

I have been unable to find any substantiation of the claim that viewing porn causes brain damage.

What does the Y chromosome do?

Is it really possible for a person to change sex? Do other animals have Y chromosomes?

Editors of scientific journals must reject gender politics

Journal editors must main­tain a balance of perspec­tive on controversial topics

The Blogger's Code of Snark

Some rules handed down to me by my old Grandma Blogger, who knitted them into a seven-foot-long tea cosy.

The sound of freedom

  Technological sounds are drowning out the quiet music of nature.

Argumentation in a post-logical world

We must become more analytical in detecting and refuting hidden assumptions in the debate.

Atheism, Ducks and Bananas

Atheists and religious people both need to work on their sense of humor.

Eight myths about libertarianism

  Libertarianism is not what many people think.

Why is the speed of light not infinity?

Wonky Minkowski diagrams, Rindler frames, and quantum foam, oh myyyy . . .

The future of medicine

  In the future things will be ... uh, better ... mostly

Cold facts on global warming

It's still important to understand what is and is not factual about the climate.

Not your grandfather's theory of evolution

  Darwin's theory of natural selection has mutated almost beyond recognition.

Are superconductors holograms?

A new idea from string theory finds holograms everywhere.

'Mental illness' is no longer a useful term

Treating PTSD and other disorders will require understanding synaptic plasticity.

How to Photograph a Solar Eclipse

Without burning up your camera sensor, blinding yourself, and setting your dog on fire.

How to photograph Mars and other planets

  It's not too late to get your azz to Mazz.

Star fields in Apollo 11 photographs

  The claim that there are no stars in the moon landing images is examined.

How to take bad cell phone photos

  Some tips on taking the worst travel photos ever.

Photographing Radioactivity with a Webcam

You can use a webcam to photograph radioactivity.

Ultraviolet photography

  The ultraviolet world is gloomy ... and pink.

Infrared photography

It's not difficult to modify a digital SLR camera to take pictures in the near-infrared.

Astrophotography Without a Telescope

You don't need a lot of equipment to take spectacular pictures of the stars.

Fireflies

Firefly biology and tips on photographing fireflies. Movie of fireflies flashing in synchrony.

Build an Ultraviolet Zoom Lens, Part 1: Design

Design and plans for a fused-silica zoom lens.

High-resolution compact spectrograph, Part 1

Design and plans for a compact spectrograph suitable for astronomy.

Astrophotographs

  A collection of astrophotographs.

Clock is still analog, unable to sync to WWVB; second-hand appears broken

Bismuth, nature's most uninteresting element

Seven incredibly boring facts about bismuth you will probably believe!

The Prophecies of Bruce de Nostradamus

Bruce Nostradamus is not as famous as his older brother, partly because his quatrains were not very good.

Fundamentals of Reindeer Aerodynamics

How did reindeer evolve the ability to fly?