Regarding science doubters

Posted by Dave Switzer under From the web

Here’s an articulate article from National Geographic about why people doubt science. It talks about climate change, difficulties with the scientific method, and the science communication problem. Why Do Many Reasonable People Doubt Science?

Humans almost died out around 70 000 BC

Posted by Dave Switzer under From the web

Why haven’t I heard about this before? Because of an unbelievably huge volcano eruption, humans almost died out around 70 000 BC. The volcano is called Toba and its eruption is the biggest that scientists are aware of. Evidence suggests that the population was down to mere hundreds or thousands of people. How Human Beings […]

World changing ideas and innovation

Posted by Dave Switzer under From the web

This web site has some really cool ideas on it — both things that are fun and things that will help make the world a better place. From an exoskeleton to help paralyzed people walk again to 10 steps for improving capitalism to an index of difference-making nonprofit organizations, these are ideas that are worth […]

Things we learned from Stephen Hawking

Posted by Dave Switzer under From the web

Stephen Hawking’s best known book is A Brief History of Time. But he hasn’t been slacking off since then. His recent book The Grand Design, which he wrote with Leonard Mlodinow, has some interesting things in it as well. Clara Moskowitz from LiveScience has picked 8 shocking things to draw our attention to. If you […]

10 recent scientifically solved mysteries

Posted by Dave Switzer under From the web

What made the ancient theatre of Epidaurus so acoustically great, who made the crystal skulls, and is there a face on Mars — all answered. From Listverse: 10 Recent Scientifically Solved Mysteries There are lots more lists on this web site if you’re a fan of lists. As a follow-up to yesterday’s post, here are […]

10 things to know about the Moon

Posted by Dave Switzer under From the web

Think you know everything about the Moon? See if you’re right. Feel like you don’t know enough about the Moon? Look right here. From LiveScience: Top 10 Amazing Moon Facts The most amazing thing I ever saw in the sky was a ring around the Moon. Here’s an explanation of the cause (you can also […]

Oldest cave art discovered in Spain

Posted by Dave Switzer under From the web

A cave in Spain contains simple paintings made over 40 000 years ago. Since Neanderthals lived in the area at the time, it’s possible the paintings were done by them — although Modern humans were also in the area. Neanderthals and Modern humans (homo sapiens) have long been thought of as separate species, but some […]

Genome sequence of bonobo completed

Posted by Dave Switzer under From the web

All the great apes have now had their genome sequences completed — which mean scientists know all about their DNA. Bonobos and chimpanzees are members of the same genus — the last common ancestor of the two species was probably around a million years ago. It’s possible that bonobos and chimpanzees were divided into two […]

How long ago did our ancestors use fire?

Posted by Dave Switzer under From the web

One million years ago. New research says that the earliest firm evidence is from a cave in South Africa where fires burned more than once in the same spot. Our ancestors used fire a million years ago, study says At that point they weren’t yet using fire on a regular basis — that came around […]

Have aliens visited Earth?

Posted by Dave Switzer under From the web, My thoughts

I would be happy if aliens visited Earth, but I don’t believe they have as of yet. Although there are many reports of UFOs and alien abductions, somehow I think if aliens were really here we would know it. As the FAQ on the SETI Institute web site puts it: “if there were interesting, verifiable […]