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Tuesday, November 30, 2021

Digging Deep


Hotter climates causing male dragonflies to lose wing colour: Study

November 26, 2021 8:26 pm

The authors estimate that male wing ornamentation will decline by 2070, but very modestly. Female wings will not show much difference.

Lead used in petrol decades ago still pollutes London's air: Study

November 19, 2021 9:55 pm

Lead levels in London air plummeted rapidly from 500-600 ng/m³ to 300 ng/m³ in the 1980s, before dropping further to 20 ng/m³ in 2000 - but the concentrations measured in 2018 stood at 8-10 ng/m³.

How much do baleen whales eat in a day?

November 12, 2021 7:38 pm

The new study has observed that baleen whales can consume as much as 16 tonnes of food per day, which constitutes as much as 30% of their total body mass.

DNA studies help unravel evolutionary history of rhinoceros

November 06, 2021 10:07 am

The three major clades of the rhinocerotinae family diverged 17-14 million years ago, an ‘epoch’ in geologic history when the climate was 3-4 degrees Celsius warmer than it is today.

Roman tomb reveals secrets of ancient concrete resilience

October 29, 2021 7:59 pm

The reason behind the tomb’s strength is that it was constructed from the deposits of the eruptions of the nearby Alban Hills volcano.

Meet the first domesticated goats from Western Iran

October 22, 2021 8:59 pm

It was found that the closest wild relative of the domesticated goats was the bezoar ibex.

Study finds fruit flies react to smells while asleep

October 15, 2021 5:31 pm

When fruit flies were exposed to varying concentrations of acetic acid they exhibited different reactions.

How artificial light, other ‘by-products’ of rapid urbanisation threaten birds

October 08, 2021 6:34 pm

A 2017 study observed that changes in the behaviour of nocturnally migrating birds in response to light stimuli disappeared immediately after lights were switched off.

How human exploitation dwindled Caribbean shark communities, a study finds out

October 01, 2021 6:42 pm

Coastal development, land clearing, and agriculture have all had their share of the blame, leading to the low oxygen content in water, disease, bleaching – a pattern observed across the Caribbean.

Where did watermelon come from? Study solves the mystery of fruit's origin

September 24, 2021 6:05 pm

The Kordofan melon from Sudan was found to be the closest relative and most likely wild progenitor of the modern watermelon.