Category Archives: Science

Methane: The Irrelevant Greenhouse Gas

Water vapor has already absorbed the very same infrared radiation that Methane might have absorbed. Guest essay by Dr. Tom Sheahen Q: I read that methane is an even worse greenhouse gas than carbon dioxide, and cattle are a big … Continue reading

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Posted in Methane, Science | Tagged , , | 250 Comments

More support for Svensmark’s cosmic ray modulation of Earth’s climate hypothesis

There is a new paper in Environmental Research Letters that give additional support to  Henrik Svensmark’s cosmic ray hypothesis of climate change on Earth. The idea is basically this: the suns changing magnetic field has an influence on galactic cosmic … Continue reading

Posted in Climate News, Cosmic rays, Science | Tagged , , , | 243 Comments

Why a compelling theory is not enough

Guest essay by Eric Worrall Consider the following descriptions of three scientific theories. Which is the odd one out?

Posted in Science | 112 Comments

Study: WUWT near the center of the climate blogosphere

New paper finds climate skeptical blogosphere is important source of expertise, reinterpretation, & scientific knowledge production From The Hockey Schtick: A paper published on April 5th in Global Environmental Change finds the climate skeptical blogosphere serves as an alternative network … Continue reading

Posted in media, Science | 158 Comments

What Defines A Scientist?

By WUWT Regular “Just The Facts” According to USA Today on April 3rd and repeated on April 4th: “Keith Baugues is not a scientist, but that didn’t stop him on a recent wintry day from expressing skepticism about global warming … Continue reading

Posted in Science | Tagged , , , | 311 Comments

Nature fights poison with carbon dioxide

‘Evil’ carbon dioxide saves plants from another poison. Consider that the next time you eat a piece of fruit. From Saint Mary’s University Taming a poison: Saving plants from cyanide with carbon dioxide The scientific world is one step closer … Continue reading

Posted in Positive effects of CO2, Science | 35 Comments

IPCC admission from new report: ‘no evidence climate change has led to even a single species becoming extinct’

In 2007, the IPCC predicted that rising global temperatures would kill off many species. But in its new report, part of which will be presented next Monday, the UN climate change body backtracks. There is a shortage of evidence, a … Continue reading

Posted in Extinction, IPCC | 73 Comments

Faint whispers of the early universe detected, bolsters the cosmic inflation theory, aka ‘big bang’

“This has been like looking for a needle in a haystack, but instead we found a crowbar…” From the Stanford Report, March 17, 2014 (h/t to Dr. Leif Svalgaard) video follows New evidence from space supports Stanford physicist’s theory of … Continue reading

Posted in Astronomy, Science | 559 Comments

The Sun wakes up: highest values of Solar Cycle 24 observed in February 2014

The updates from NOAA’s SWPC are now available, and there are big jumps all around in February 2014. Sunspot number reaches the highest ever for SC24:

Posted in Science, Solar | 183 Comments


Guest essay by Donald C. Morton Herzberg Program in Astronomy and Astrophysics, National Research Council of Canada ABSTRACT The Report of the Intergovernmental Panel on Climate Change released in September 2013 continues the pattern of previous ones raising alarm about … Continue reading

Posted in Opinion, Science | 316 Comments

Science Fairs Make Scientists

Guest Essay by Kip Hansen I complain a lot about poor science being done by what I assume to be professional scientists. I’d like to think that if I were in their labs, I would do better. [ *** see … Continue reading

Posted in Science | Tagged | 65 Comments

NASA’s IBEX Helps Paint Picture of the Magnetic System Beyond the Solar Wind

IBEX research shows influence of galactic magnetic field extends well beyond our solar system Understanding the region of interstellar space through which the solar system travels is no easy task. Interstellar space begins beyond the heliosphere, the bubble of charged … Continue reading

Posted in Science, Space | 58 Comments

Friday Funny: Science by the kilogram

From Aarhus University, and the department of weighted (by the kilogram) peer review comes a really heavy new report. See actual photo caption at right, bold mine, I kid you not. I loved this quote from the press release: ‘Polar … Continue reading

Posted in Arctic, Extinction, Humor | 117 Comments

Statistical flaws in science: p-values and false positives

To make science better, watch out for statistical flaws by Tom Siegfried First of two parts As Winston Churchill once said about democracy, it’s the worst form of government, except for all the others. Science is like that. As commonly … Continue reading

Posted in Science, statistics | 114 Comments

The Scientific Method and Climate Science

Guest essay by Dr. Vincent Gray Science is supposed to take place by the use of the “Scientific Method” defined in the following way.

Posted in Science | 106 Comments

High levels of molecular chlorine found in Arctic atmosphere

From the Georgia Institute of Technology Scientists studying the atmosphere above Barrow, Alaska, have discovered unprecedented levels of molecular chlorine in the air, a new study reports. Molecular chlorine, from sea salt released by melting sea ice, reacts with sunlight … Continue reading

Posted in Science | 122 Comments

New study claims low solar activity caused “the pause” in global temperature – but AGW will return!

This is on a tip from Dr. Leif Svalgaard, WUWT’s resident solar expert. It was just published in the journal Atmospheric and Climate Sciences, and is open access. I found this study’s conclusion a bit amusing, because there are numerous … Continue reading

Posted in Climate News, ENSO, Hiatus in Global Warming, Peer review, Science, Solar | Tagged , , | 180 Comments

Cherry flavored ClimaPsychoTamiflugate

By Matt Ridley, The Times 06/01/14 It’s not only Tamiflu where inconvenient data goes unpublished. Try climate science and psychology too Perhaps it should be called Tamiflugate. Yet the doubts reported by the House of Commons Public Accounts Committee last … Continue reading

Posted in Opinion, Science | 64 Comments