News tagged with evolutionary events


Probing question: What is a molecular clock?

Probing question: What is a molecular clock?

Biology /

created Nov 20, 2008 | popularity 4.3 / 5 (7) | comments 0

It doesn't tick, it doesn't have hands, and it doesn't tell you what time of day it is. But a molecular clock does tell time -- on an epoch scale. The molecular clock, explained S. Blair Hedges, is a tool ...





Search results for evolutionary events


The deciding factor: Empathy distinguishes modern humans from their primate ancestors

The deciding factor: Empathy distinguishes modern humans from their primate ancestors

Biology / Other

created 9 hours ago | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- What, exactly, distinguishes humans from apes? It’s certainly more than just our genes, renowned anthropologist Sarah Blaffer Hrdy told a Harvard audience recently (Nov. 18).


Research backs theory on autism, schizophrenia

Medicine & Health / Research

created 14 hours ago | popularity 3.6 / 5 (7) | comments 1

(PhysOrg.com) -- New research by Simon Fraser University evolutionary biologist Bernard Crespi reinforces his theory that autism and schizophrenia are diametric or opposite conditions based on genes.


GOES-14 (O) moving into on-orbit storage around the Earth

GOES-14 (O) moving into on-orbit storage around the Earth

Space & Earth / Space Exploration

created 14 hours ago | popularity 5 / 5 (2) | comments 0

The Geostationary Operational Environmental Satellite named GOES-14, is being placed in on-orbit storage this month to await its call to duty.


Twitter was amond top searches in 2009

2009: the Year of Twitter

Technology / Internet

created 17 hours ago | popularity 1 / 5 (1) | comments 0

The year has not yet ended but Microsoft says "Twitter" was among the top searches of 2009 on its new search engine Bing and a company which monitors language has crowned it the top word of the year.


Naked mole rats may hold clues to surviving stroke

Medicine & Health / Research

created 17 hours ago | popularity not rated yet | comments 0

Blind, nearly hairless, and looking something like toothy, plump, pink fingers, naked mole rats may rank among nature's most maligned creatures, but their unusual physiology endears them to scientists.


Europe's device therapy use for heart failure doubles 2004-2008, some countries have low uptake

Medicine & Health / Other

created 17 hours ago | popularity not rated yet | comments 0

The use of implantable devices for the treatment of heart failure increased "enormously" in Europe between the years 2004 and 2008, but there still remain large differences between countries, according to a study reported ...


Climate change in Kuwait Bay

Climate change in Kuwait Bay

Space & Earth / Earth Sciences

created 18 hours ago | popularity 3.4 / 5 (10) | comments 1

Since 1985, seawater temperature in Kuwait Bay, northern Arabian Gulf, has increased on average 0.6°C per decade. This is about three times faster than the global average rate reported by the Intergovernmental ...


Seeing family for the holidays? Scientists discover how the stress might kill you

Medicine & Health / Research

created 20 hours ago | popularity 5 / 5 (2) | comments 0

If you ever thought the stress of seeing your extended family over the holidays was slowly killing you -- bad news: a new research report in the December 2009 print issue of the Journal of Leukocyte Biology shows that you mi ...


How can scientists measure evolutionary responses to climate change?

Biology / Evolution

created 20 hours ago | popularity 3 / 5 (2) | comments 0

As global temperatures continue to rise scientists are presented with the complex challenge of understanding how species respond and adapt. In a paper published in Insect Conservation and Diversity, Dr Francisco Rodriguez-Trelles and Dr ...


Lymnaea stagnalis

Right/left handedness of snails changed in the lab

Biology / Plants & Animals

created Nov 30, 2009 | popularity 4.7 / 5 (6) | comments 2

(PhysOrg.com) -- Like most animals, snails have either left- or right-handed asymmetry (chirality), both internally and externally, and the handedness is hereditary. A new study has for the first time found ...



List of search results for evolutionary events